The early Nibelungids were patrons of the continuation of the Chronicle of Fredegar, which is indicated in the Austrasian and Arnulfing emphasis in the continuation, as distinct from the Burgundian outlook of the original chronicle.
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It has been suggested that they were related to the family of William of Gellone and to the Counts of Autun, from which may have descended Ringard, the wife of Pepin II of Aquitaine.