 The biography of Amalberga of Maubeuge () is probably written by Abbott Hugo of Lobbes (1033–1063) between 1033 and 1048.Apart from a few Merovingian details, her genealogy was copied from another 11th-century hagiography, namely the .The biographical profile of her legendary husband, duke Witger of Lotharingia, is inspired on an historical figure from the 10th century, Wigeric of Lotharingia.