Stamboom Marijnissen
Family: Jan I van Ponthieu / Beatrix de Saint-pol (F2970)
m. Bef 1170-
Male
Jan I van Ponthieu
Birth Death 30 Jun 1191 Acre 
Burial Marriage Bef 1170 Type Civil Other Spouse Mathilde | F2969 (Civil) Marriage Bef 1169 Father Gwijde Ii van Ponthieu | F2971 Group Sheet Mother Ida | F2971 Group Sheet
Female
Beatrix de Saint-pol
Birth Death Aft 1201 Burial Father Anselmus van Sint-pol | F4654 Group Sheet Mother
Female
Alix de Ponthieu
Birth Death Aft 1241 Burial Spouse Thomas de Saint-val?ery | F2968 (Civil) Marriage Bef 1192
