Helgaud I de PONTHIEU
Helgaud I de was born in 0820 in Ponthieu, Picardie, France.  He died at the age of 40 in 0860 in Ponthieu, Picardie, France.

 Bertha de PONTHIEU
Bertha de was born in 0818 in Ponthieu, Picardie, France.  Bertha de is no longer alive.

 Herlouin I de PONTHIEU
Herlouin I de was born in 0842 in Ponthieu, Picardie, France.