Courtney Kennedy Hill, consoled by Maria Shriver (R) and Sydney Lawford McKelvy (L) looks on as the casket of her daughter is taken from the church after the funeral mass for her daughter Saoirse Kennedy Hill, granddaughter of Robert F. Kennedy, in Centerville, Massachusetts, U.S., August 5, 2019. David L. Ryan/The Boston Globe/Pool via REUTERS 

Courtney Kennedy Hill (C) is helped down the steps by by Maria Shriver (L) and Sydney Lawford McKelvy at the funeral mass for her daughter Saoirse Kennedy Hill, granddaughter of Robert F. Kennedy, in Centerville, Massachusetts, U.S., August 5, 2019. David L. Ryan/The Boston Globe/Pool via REUTERS 

Maria Shriver (C) at the funeral mass for Saoirse Kennedy Hill, granddaughter of Robert F. Kennedy, in Centerville, Massachusetts, U.S., August 5, 2019. David L. Ryan/The Boston Globe/Pool via REUTERS 

Cast member Patrick Schwarzenegger poses with his mother Maria Shriver (2nd L), and sisters Christina Schwarzenegger (L) and Katherine Schwarzenegger at the premiere of "Midnight Sun" in Los Angeles, California, U.S., March 15, 2018. REUTERS/Mario Anzuoni 

Cast member Patrick Schwarzenegger poses with his mother Maria Shriver (2nd L), and sisters Christina Schwarzenegger (L) and Katherine Schwarzenegger at the premiere of "Midnight Sun" in Los Angeles, California, U.S., March 15, 2018. REUTERS/Mario Anzuoni 

Cast member Patrick Schwarzenegger poses with his mother Maria Shriver (2nd L), and sisters Christina Schwarzenegger (L) and Katherine Schwarzenegger at the premiere of "Midnight Sun" in Los Angeles, California, U.S., March 15, 2018. REUTERS/Mario Anzuoni 

Cast member Patrick Schwarzenegger and his mother Maria Shriver pose at the premiere of "Midnight Sun" in Los Angeles, California, U.S., March 15, 2018. REUTERS/Mario Anzuoni 

Cast member Patrick Schwarzenegger and his mother Maria Shriver pose at the premiere of "Midnight Sun" in Los Angeles, California, U.S., March 15, 2018. REUTERS/Mario Anzuoni 

Former California Governor Arnold Schwarzenegger and his ex-wife Maria Shriver attend the funeral for former first lady Nancy Reagan at the Ronald Reagan Presidential Library in Simi Valley, California March 11, 2016. REUTERS/Mike Blake

Former California Governor Arnold Schwarzenegger (L) and Maria Shriver walk to the grave site at the funeral of Nancy Reagan at the Ronald Reagan Presidential Library in Simi Valley, California, United States, March 11, 2016. REUTERS/Lucy Nicholson 

Members of the Kennedy family, including Maria Shriver (2nd L) of NBC News and her brother Mark Shriver (front), listen to remarks at the dedication ceremony for the Edward M. Kennedy Institute for the United States Senate, in Boston March 30, 2015. REUTERS/Jonathan Ernst 

Executive producer of the movie "Still Alice" Maria Shriver poses at the 23rd annual "A Night at Sardi's" benefit for the Alzheimer's Association in Beverly Hills, California March 18, 2015. REUTERS/Mario Anzuoni 

Executive producer of the movie "Still Alice" Maria Shriver accepts the Abe Burrows Entertainment Award at the 23rd annual "A Night at Sardi's" benefit for the Alzheimer's Association in Beverly Hills, California March 18, 2015. REUTERS/Mario Anzuoni 

Journalist Maria Shriver (L) and daughter Katherine Schwarzenegger pose at the 2014 Creative Arts Emmy Awards in Los Angeles, California August 16, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Journalist Maria Shriver poses at the 2014 Creative Arts Emmy Awards in Los Angeles, California August 16, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT MEDIA) 

Journalist Maria Shriver (L) and daughter Katherine Schwarzenegger pose at the 2014 Creative Arts Emmy Awards in Los Angeles, California August 16, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT MEDIA) 

Journalist Maria Shriver poses at the 2014 Creative Arts Emmy Awards in Los Angeles, California August 16, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT MEDIA) 

Journalist Maria Shriver (L) and daughter Katherine Schwarzenegger pose at the 2014 Creative Arts Emmy Awards in Los Angeles, California August 16, 2014. REUTERS/Danny Moloshok (UNITED STATES-Tags: - Tags: ENTERTAINMENT) 

Journalist Maria Shriver arrives at the "A Celebration of Special Olympics and A Unified Generation" event at the White House in Washington, July 31, 2014. REUTERS/Yuri Gripas (UNITED STATES - Tags: POLITICS SPORT ANNIVERSARY OLYMPICS MEDIA ENTERTAINMENT) 

Lynda Bird Johnson Robb (L), daughter of former U.S. President Lyndon Baines Johnson, former Senator Chuck Robb and journalist Maria Shriver clasp hands and sing "We Shall Overcome" before U.S. President Barack Obama arrives to speak at a Civil Rights Summit to commemorate the 50th anniversary of the signing of the Civil Rights Act in Austin, Texas April 10, 2014. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS) 

Attendee Jehmu Greene of New York (R) takes a "selfie" with (L-R) Lynda Bird Johnson Robb, daughter of former U.S. President Lyndon Baines Johnson, former Senator Chuck Robb and journalist Maria Shriver before U.S. President Barack Obama arrives to speak at a Civil Rights Summit to commemorate the 50th anniversary of the signing of the Civil Rights Act in Austin, Texas April 10, 2014. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS) 

Actresses Eva Longoria (R), Lily Tomlin (C) and former First Lady of California Maria Shriver applaud during a hand and footprint ceremony for actress Jane Fonda in the forecourt of the Chinese theatre in Hollywood, California April 27, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Rita Wilson (L) and Maria Shriver (R) pose together at the Academy of Motion Picture Arts and Sciences' 2011 Governors Awards in Hollywood, California November 12, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Maria Shriver poses at the Academy of Motion Picture Arts and Sciences' 2011 Governors Awards in Hollywood, California November 12, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Maria Shriver poses at the Academy of Motion Picture Arts and Sciences' 2011 Governors Awards in Hollywood, California November 12, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Rita Wilson (L) and Maria Shriver pose together at the Academy of Motion Picture Arts and Sciences' 2011 Governors Awards in Hollywood, California November 12, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Maria Shriver (R) arrives for the funeral of Betty Ford, the wife of the late President Gerald Ford, at St. Margarets Episcopal Church in Palm Desert, California July 12, 2011. Ford, who overcame alcohol and drug addictions and helped found a rehabilitation center that bears her name died on Friday at the age of 93. REUTERS/Mario Anzuoni (UNITED STATES - Tags: OBITUARY POLITICS) 

Former California first lady Maria Shriver arrives at the funeral of former first lady Betty Ford at St. Margaret's Episcopal Church in Palm Desert, California July 12, 2011. Betty Ford, who overcame alcohol and drug addictions and helped found a rehabilitation center that bears her name died on Friday at the age of 93. REUTERS/Reed Saxon/Pool (UNITED STATES - Tags: ENTERTAINMENT POLITICS OBITUARY) 

The divorce filing of Maria Shriver and former California governor Arnold Schwarzenegger is shown in documents obtained by Reuters July 5, 2011. Former California first lady Shriver filed for divorce on July 1, 2011 from her estranged husband, Schwarzenegger, the ex-governor and film star who has admitted fathering a child out of wedlock more than a decade ago. REUTERS/Sam Mircovich (UNITED STATES) 

Oprah Winfrey (C) embraces Maria Shriver (R) and Gayle King (L) during the taping of "Oprah's Surprise Spectacular" in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. REUTERS/John Gress (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Oprah Winfrey and Maria Shriver (R) smile during the taping of "Oprah's Surprise Spectacular" in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. REUTERS/John Gress (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Oprah Winfrey embraces Maria Shriver (R) during the taping of "Oprah's Surprise Spectacular" in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. REUTERS/John Gress (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Oprah Winfrey (L) and Maria Shriver hold hands during the taping of "Oprah's Surprise Spectacular" in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. REUTERS/John Gress (UNITED STATES - Tags: ENTERTAINMENT PROFILE IMAGES OF THE DAY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT HEADSHOT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT SOCIETY) 

Katherine Schwarzenegger poses for a portrait in Los Angeles March 17, 2011. Schwarzenegger is not your average 21 year-old college student. She is the first-born child of ex-California Governor and Hollywood movie star Arnold Schwarzenegger and his wife Maria Shriver. But in her own right, Katherine is an author, and she raises money for charities including her uncle Anthony Shriver's group, Best Buddies, a volunteer program to support people with intellectual and developmental disabilities. Picture taken March 17, 2011. To match Reuters Life! PEOPLE-KATHERINESCHWARZENEGGER REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE SOCIETY) 

Singer Cee Lo Green (2nd L) is seated next to Maria Shriver (3rd L) during the NBA basketball All-Star weekend in Los Angeles February 19, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT BASKETBALL ENTERTAINMENT) 

Maria Shriver (L) and son Christopher Schwarzenegger (R) attend the NBA basketball All-Star weekend in Los Angeles February 19, 2011. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT BASKETBALL ENTERTAINMENT) 

Former California Governor Arnold Schwarzenegger (2nd L), his wife Maria Shriver and her brother Mark Shriver sit near the casket of Sargent Shriver during his funeral mass at Our Lady of Mercy Parish in Potomac, Maryland January 22, 2011. Sargent Shriver, a former Democratic vice presidential candidate and brother-in-law of former U.S. President John F. Kennedy, died January 18, 2011 at the age of 95. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY) 

Maria Shriver eulogizes her father, Sargent Shriver, during his funeral mass at Our Lady of Mercy Parish Catholic church in Potomac, Maryland January 22, 2011. Shriver, an in-law of the Kennedy family, and the first director of the Peace Corps, died January 18 at the age of 95. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY) 

Robert "Bobby" Shriver III pauses while speaking about his father, Sargent Shriver, at a funeral Mass at Our Lady of Mercy Catholic church in Potomac, Maryland January 22, 2011. Shriver, an in-law of the Kennedy family, and the first director of the Peace Corps, died January 18 at the age of 95. At right is Bobby's sister, Maria Shriver. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY PROFILE) 

Maria Shriver eulogizes her father, Sargent Shriver, as her brother Robert "Bobby" Shriver III (R) listens during his funeral Mass at Our Lady of Mercy Parish Catholic church in Potomac, Maryland January 22, 2011. Shriver, an in-law of the Kennedy family, and the first director of the Peace Corps, died January 18 at the age of 95. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY) 

Anthony Shriver (C) leads the pall bearers carrying his father's, Sargent Shriver, casket into Our Lady of Mercy Parish for a funeral mass in Potomac, Maryland January 22, 2011. Shriver, an in-law of the Kennedy family, and the first director of the Peace Corps, died January 18 at the age of 95. At right is actor and former California Governor Arnold Schwarzenegger, husband of Shriver's daughter Maria Shriver. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY PROFILE) 

Members of the Shriver family sit near the casket of Sargent Shriver during his funeral mass at Our Lady of Mercy Parish in Potomac, Maryland January 22, 2011. Shriver, an in-law of the Kennedy family, and the first director of the Peace Corps, died January 18 at the age of 95. From right to left are Shriver's son Mark Shriver, his daughter Maria Shriver, her husband actor and former California Governor Arnold Schwarzenegger and Shriver's son Timothy Shriver. Two remaining mourners at left are unidentified. REUTERS/Cliff Owen/Pool (UNITED STATES - Tags: POLITICS OBITUARY) 

Maria Shriver (C) stands with brothers Tim Shriver, Bobby Shriver, Mark Shriver and Anthony Shriver (L-R), as she speaks during the wake for their father Sargent Shriver at Holy Trinity Catholic Church in Washington January 21, 2011. Sargent Shriver, a former Democratic vice presidential candidate and brother-in-law of former U.S. President John F. Kennedy, died on January 18, 2011 at age 95. REUTERS/Alex Brandon/Pool (UNITED STATES - Tags: POLITICS OBITUARY IMAGES OF THE DAY) 

U.S. Senator John Kerry (D-MA) hugs Maria Shriver at the wake for Sargent Shriver at Holy Trinity Catholic Church in Washington January 21, 2011. Shriver, a former Democratic vice presidential candidate and brother-in-law of former U.S. President John F. Kennedy, died on January 18, 2011 at age 95. REUTERS/Alex Brandon/Pool (UNITED STATES - Tags: POLITICS OBITUARY IMAGES OF THE DAY) 

U.S. Representative Nancy Pelosi (D-CA), an unidentified guest, U.S. Senator Dianne Feinstein (D-CA), Feinstein's husband Richard Blum, Maria Shriver, former Governor Arnold Schwarzenegger, former Governor Gray Davis, Sharon Davis and former Lt. Gov. Abel Maldonado (L-R) listen to newly sworn California Governor Jerry Brown as he addresses the audience during his inauguration in Sacramento, California January 3, 2011. Brown, at 72, is the oldest governor in California history. REUTERS/Robert Durell (UNITED STATES - Tags: POLITICS ENTERTAINMENT) 

California first lady Maria Shriver walks the red carpet at the California Hall of Fame Induction Ceremony at the California Museum in Sacramento, California December 14, 2010. REUTERS/Kevin Bartram (UNITED STATES - Tags: ENTERTAINMENT PROFILE POLITICS) 

Martha De Laurentiis (C), widow of film producer Dino De Laurentiis, speaks with California Governor Arnold Schwarzengger (R) and his wife Maria Shriver, during the producer's funeral services in Los Angeles November 15, 2010. De Laurentiis, an Oscar-winning master movie showman who brought some 500 films to the big screen including "La Strada," "Serpico," and "Three Days of the Condor," died at his Beverly Hills home late on Wednesday night at age 91. REUTERS/Reed Saxon/Pool (UNITED STATES) 

California Governor Arnold Schwarzengger and his wife Maria Shriver (R) attend funeral services for Italian film producer Dino De Laurentiis in Los Angeles November 15, 2010. Dino De Laurentiis in Los Angeles November 15, 2010. De Laurentiis, an Oscar-winning master movie showman who brought some 500 films to the big screen including "La Strada," "Serpico," and "Three Days of the Condor," died at his Beverly Hills home late on Wednesday night at age 91. REUTERS/Reed Saxon/Pool (UNITED STATES - Tags: ENTERTAINMENT OBITUARY) 

Oprah Winfrey speaks after accepting the Minerva award as California first lady Maria Shriver looks on at "The Women's Conference 2010" in Long Beach, California October 26, 2010. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT POLITICS) 

Oprah Winfrey (L) hugs California First Lady Maria Shriver at the conclusion of "The Women's Conference 2010" in Long Beach, California October 26, 2010. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT POLITICS) 

California first lady Maria Shriver (R) presents Oprah Winfrey with the Minerva award at "The Women's Conference 2010" in Long Beach, California October 26, 2010. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT POLITICS)