Eberhard I, count of and count in and in (fl. 904 – 937), son of Erenfried I of Maasgau.
He left children:
Hermann I count in Auelgau (922/48), who had children: Eberhard II count in Auelgau (died 966), and Gottfried count in Auelgau (966/70). Erenfried II count in Zülpichgau; Dietrich, count in Drente and in Salland, count of Hamaland (died before 964). He married Amalrada van Hamaland.
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