Angilbert of Ponthieu
Angilbert of Ponthieu was born about 0776 in Ponthieu, Ain, France.  He died on February 18th, 0814.

 Prcs Bertha Hre
Bertha was born in 0775 in Aachen, Rheinland, Preussen.  She died at the age of 51 on March 11th, 0826.

 Duke Nithard of Ponthieu (The Chronicler)
Nithard of Ponthieu, known as The Chronicler, was born about 0790 in Ponthieu, Ain, France.  He died in 0853.

 Arsindeof Ponthieu

 Berthe of Ponthieu