The De Advocatis Altahensibus names "tempore Heinrici ducis Meinhardus comes fuit advocatus" specifying that "hic habuit fratrem Ulricum comitem", referring to Heinrich I Duke of Bavaria from 947-955. Wegener refers to an exchange of property im Schweinachgau und im Rottgau dated [947/70] witnessed by (in order) "Odalrich, Heriman, Meginhart", suggesting that the three witnesses were brothers.
Married Kunigunde, daughter of ---. Wegener refers to the donation by Babo Burggraf von Regensburg and his wife Mehtild to St Emmeram dated [1000/05] for their souls and that of his wife's brother "Perahtold", which also names her mother Kunigunde, speculating that her mother was Kunigunde of Bavaria, daughter of Berthold Duke of Bavaria & his wife Bieletrud ---. 1
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