Yolanda of Flanders Regent of Latin Empire of Constantinople (1175-1219) (1175–1219) Parents Margaret I, Countess of Flanders Baldwin V, Count of Hainaut Children Marie de Courtenay Philip II, Marquis of Namur Henry II of Namur Yolanda de Courtenay Margaret, Marchioness of Namur Eleonor of Courtenay Inés de Courtenay Robert of Courtenay Baldwin II of Constantinople Elisabeth of Courtenay Siblings Philip I of Namur Baldwin I of Constantinople Henry of Flanders Isabella of Hainault Sybilla of Henao Eustace of Flanders Partners Peter II of Courtenay