Erchenfrida married Nithard DE PONTHIEU The Chronicler, son of Angilibert DE PONTHIEU "the Saint" and Berta (Bertrada) CAROLING. (Nithard DE PONTHIEU The Chronicler was born before 800 in Ponthieu, Somme, Picardy, France and died on 15 May 845 in St Riquier, Artois/Pas-de-Calais, France.)
