Bertha DeCarolingian - Pedigree | FamilyCentral
 Abt 776 - 14 Jan 822
 2 Apr 742 - 28 Jan 814
 714 - 24 Sep 768
 720 - 12 Jul 783
 675 - 22 Oct 741
Family Group
 635 - 19 Oct 4713 BC
Family Group
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  Children
    1.
Nithard de Ponthieu