Belgian Prince Gabriel (R) and Princess Elisabeth (C) sit next to her new-born brother Prince Emmanuel and their mother Princess Mathilde at the maternity clinic at Erasmus hospital in Brussels October 6, 2005. Princess Mathilde, [wife of Crown Prince Philippe], gave birth to the little boy, who was weighing about 3.9kg (8.6 pounds) and measuring 50cm (19.6 inches) on October 4, 2005.