She is the daughter of Nicholas John Coombs (Bath, 14 April 1938), a British-born businessman, and his Belgian wife, Nicole Eva Gabrielle Thérèse Mertens (
Ixelles, 20 June 1951). She has an elder sister, Joanna, and a younger brother, Matthew. In 1977, when she was three years old, her family relocated to
Dion-le-Val near Brussels in francophone
Wallonia. ==Marriage and children==