Constance de Vermandois (1086-1125) (b. 1086) Parents Adelaide, Countess of Vermandois Hugh I, Count of Vermandois Children Ada de Ferté-Ancoul Siblings Ralph I, Count of Vermandois Margaret of Clermont Agnes de Vermandois Elizabeth of Vermandois, Countess of Leicester Mathilde de Vermandois Simon of Vermandois Partners Geoffroy de Ferté-Ancoul