JEAN (John) I COUNT de PONTHIEU
JEAN (John) I COUNT was born about 1140.¹   He died on June 30th, 1191.¹ 

 BEATRICE de ST POL
BEATRICE de was born about 1160.¹   She died after 1204.¹ 

 ADELE de PONTHIEU
ADELE was born about 1157.¹ 

 WILLIAM II TALVAS COUNT de PONTHIEU
WILLIAM II TALVAS COUNT was born in 1179.¹   He died at the age of 42 on October 6th, 1221.¹