Jean I de Ponthieu
Abt 1135 - 1191 (~ 56 years)
Generation: 1
Generation: 3
1. Jean I de Ponthieu was born about 1135 (son of Guy II de Ponthieu and Ida); died in 1191. Jean married Beatrice de St pol before 1179. Beatrice (daughter of Anselme de St pol and Eustache de Champagne) was born about 1135; and died. [Group Sheet]
Children:- William Guillaume III Ponthieu was born in 1179 in France; died in 1221 in France.
2. Guy II de Ponthieu was born about 1090 (son of Guillaume III Duke Alencon and Alice); died in 1147. Guy married Ida before 1145. Ida was born about 1090; and died. [Group Sheet]
3. Ida was born about 1090; and died. Children:
- 1. Jean I de Ponthieu was born about 1135; died in 1191.
Generation: 3
4. Guillaume III Duke Alencon was born about 1055; and died. married Alice. Alice was born about 1055; and died. [Group Sheet]
5. Alice was born about 1055; and died. Children:
- 2. Guy II de Ponthieu was born about 1090; died in 1147.