Philip I of Castile King of Castile (1506), Ruler of Habsburg Netherlands (1482-1506) (1478–1506) Parents Mary of Burgundy Maximilian I Children Isabella of Austria Mary of Hungary Eleanor of Austria Catherine of Austria, Queen of Portugal Charles V Ferdinand I, Holy Roman Emperor Siblings Francis of Habsburg Cornelius of Austria George of Austria Margaret of Austria, Duchess of Savoy Margaret of Edelsheim Dorothea von Österreich, Frau zu Falkenburg, Durbuy und Dalem Leopoldo de Austria Barbara von Rottal Barbara Disquis Partners Juana I of Castile
