Angilbert (The Saint) de Ponthieu
Angilbert, known as The Saint, was born in 0760 in Ponthieu, Somme, Picardy, France.¹   He died at the age of 54 on February 18th, 0814.¹ 

 Bertha Carolingian
Bertha was born in 0779 in Aachen, Rhineland, Prussia.²   She died at the age of 47 on March 11th, 0826 in Aachen, Rhineland, Prussia.² 

 Arsinde de Ponthieu
Arsinde was born in 0789 in Ponthieu, Somme, Picardy, France.¹ 

 Nithard (The Chronicler) de Ponthieu
Nithard, known as The Chronicler, was born in 0794 in Crecy en Ponthieu, Picardy, France.³   He died at the age of 50 in 0844 in St. Riquier, Artois, France.³ 

 Hardouin de Ponthieu
Hardouin was born in 0797.²   He died at the age of 29 in 0826.² 

 Berthe de Ponthieu
Berthe was born in 0813.⁴   She died at the age of 46 in 0859.⁴