Two solutions to the question of her parentage have been suggested: either she was daughter of Pfalzgraf Hugobert and Irmina of Oeren, or she was daughter of Theuderic III, King of Neustria and Austrasia, and Clotilda of Heristal. The nickname of die Ältere translates into "the older" probably to make the distinction between her and a granddaughter who is likely her namesake, Laon-14 called Bertrada (Berta) "au grand pied, Queen of the Franks" des Francs formerly Laon aka de Laon.