Mathilde von Courtenay French noble (1188–1257) Parents Agnes I, Countess of Nevers Peter II of Courtenay Children Guigues V, Count of Forez Agnès II, Countess of Nevers Siblings Baldwin II of Constantinople Elisabeth of Courtenay Inés de Courtenay Henry II of Namur Marie de Courtenay Margaret, Marchioness of Namur Philip II, Marquis of Namur Robert of Courtenay Yolanda de Courtenay Eleonor of Courtenay Partners Guigues IV, Count of Forez Hervé IV of Donzy