Maria de Austria

Maria de Austria (21 June 1528 - Present) is the eldest daughter of Charles V, Holy Roman Emperor and King of Spain and Isabella of Portugal, Holy Roman Empress and Queen of Spain. By both birth and marriage, she is a member of the House of Habsburg. After her return to Spanish court and the death of her older brother, Felipe II & I, she acted as regent for her grandson and nephew, Felipe III & II at the request of her late brother.