Simon, Count of Ponthieu
French noble
(1180–1239)
Parents
Alberic III of Dammartin
Mahaut de Clermont
Children
Philippa of Dammartin
Joan, Countess of Ponthieu
Mathilde de Dammartin
Agathe de Dammartin
Marie de Dammartin
Siblings
Renaud I, Count of Dammartin
Agnès de Dammartin
Aelis de Dammartin
Julia de Dammartin
Partners
Marie, Countess of Ponthieu