. . . . "Bertha" . . . . . . "Bertrada of Laon" . . "0783-07-12" . . "Bertrada
of Laon" . . . . "Bertrada" . . "Bertrada's" . . . . . . . . . . . "Bertha or Berthrada" . "Queen consort of the Franks" . . "Charlemagne's mother" . . "Berthe" . . . . . . "Bertrade de Laon" . "Bertrada the younger" . . . . "Bertrada of Laon" .