Alfonso VI of León and Castile King of León (1065 to 1109), of Castile (1072 to 1109), and of Galicia (1071 to 1109) (1040–1109) Parents Sancha of León Ferdinand I of León and Castile Children Elvira of Leon Sancha of Castile Theresa of León Urraca of León Elvira of Castile Sancho Alfónsez Siblings Sancho II of León and Castile Urraca of Zamora Elvira of Toro García II of Galicia Partners Jimena Muñoz (León) Beatrix of Poitiers Zaida of Seville Constance of Burgundy Agnes of Aquitaine, Queen of León and Castile Isabella, Queen of Leon Agatha of Normandy Bertha of Leon