Ralph I, Count of Vermandois
French count
(1085–1152)
Parents
Hugh I, Count of Vermandois
Adelaide, Countess of Vermandois
Children
Eleanor, Countess of Vermandois
Ralph II, Count of Vermandois
Elisabeth, Countess of Vermandois
Felix of Valois
Siblings
Elizabeth of Vermandois, Countess of Leicester
Margaret of Clermont
Mathilde de Vermandois
Constance de Vermandois
Agnes de Vermandois
Simon of Vermandois
Partners
Laurette of Flanders
Eleanor of Champagne
Petronilla of Aquitaine