JI
John I Count of Ponthieu
d. 1191
Vitals
Died
1191
Family
Children
About
John I, Count of Ponthieu (d. 30 June 1191, in the crusader camp before Acre); father of William IV.
Research notes
✓ DOCUMENTED (web-confirmed 24 Aug 2026, standard accounts): m. Beatrice de Saint-Pol (note-only floor). Added 24 Aug 2026.