Roger De Ponthieu
Roger was born in 0855 in Ponthieu, France.  He died at the age of 102 in 0957.

 Bertha of Boulogne
Bertha of is no longer alive.

 William Comte De Ponthieu
William Comte was born in 0878 in Ponthieu, France.  He died at the age of 87 in 0965.