Gerberga? married Carloman CAROLING Mayor of the Palace of Austrasia, son of Charles "Martel" NIBELUNG and Chrotrudis DE TRÈVES Duchess of Austrasia. (Carloman CAROLING Mayor of the Palace of Austrasia was born between 706 and 716 in Austrasia, died on 4 Dec 754 and was buried in Isère, Vienne.)