Wegener argues that Heinrich was the son of Markgraf Heinrich as his county lay in the Markgrafschaft Nordgau, but he does identify any more specific source on which his suggestion is based.
Graf an der Pegnitz 1021/43. "Heinricus…rex" confirmed rights in "abbatiam Bargi in pago Nortgouue in comitatu Henrici comitis" to the church of Bamberg by charter dated 12 Jan 1025. "Heinricus…rex" donated property "Rotenuels in pago Ufgowi in comitatu Adalberti comitis" to the church of Speyer left to him by "Heinricus comes" by charter dated 6 Jun 1041. "Heinricus…rex" donated property "quatuor mansos Tragesindorf, Mogenriut, Mazelinesriut…et Bilingesriut…in pago…Nortgowe in comitatu Heinrici comitis" to "Beringero eius fideli militi" by charter dated 14 Apr 1043. "Heinricus…rex" granted property "quale domna Adalheit eiusque filius Gebehardus comes…in villis Wormerischa, Hegina, Fvrhenriet…in pago Nortgove et in comitatu Heinrici comitis" to "ministro nostro Pardoni" by charter dated 28 Nov 1043.
Graf an der oberen Naab 1043. 1
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