Mathilde de Vermandois (1080-1130) (1080–1130) Parents Adelaide, Countess of Vermandois Hugh I, Count of Vermandois Children Agnès de Beaugency Siblings Ralph I, Count of Vermandois Margaret of Clermont Agnes de Vermandois Constance de Vermandois Elizabeth of Vermandois, Countess of Leicester Simon of Vermandois Partners Raoul Ier de Beaugency