"Herimannis…comes" donated property "in…villæ…Eilba in Maginensi pago" to Münster St Martin for the soul of "nostræ matris Rihuuare" by charter dated 10 Jun 963, witnessed by “Vdonis comitis, Bernhardi vice comitis, Raginboldi vice comitis...”. The primary source which names his father has not yet been identified.
Graf im Bonngau: Gero Archbishop of Köln donated property "in pago Bonnense in comitatu Herimanni comitis in villa vel marca Ingermaresthorp…in pago…Auelgoue in comitatu Godefridi comitis in villa vel marca Roonthorp" to Kloster Gerresheim by charter dated 2 Jan 970.
Graf im Eifelgau: "Uuicfredus sancta Treuerice sedis archidiaconus" donated property "in pago Aiflense in comitatu Herimanni" to the abbey of St Maximin by charter dated 975.
Graf in Gerresheim: Emperor Otto II renewed toll exemptions "in comitatu...Herimanni comitis...in Gerrichesheim" in favour of Kloster Gerresheim by charter dated 12 Apr 976. "Udo cum coniuge mea Gisla" donated property "in pago Aiflensi in comitatu Herimanni" to St Maximin at Trier by charter dated 978.
Graf von Zülpich 981.
He was installed as HERMANN Pfalzgraf of Lower Lotharingia in [985]/989. "Otto…rex" donated property "Vvalbisci in comitatu Karoli comitis" to Quedlinburg by charter dated 6 Jan 992, which names as present "Bernhardi ducis, Egberti comitis, Eggihardi marchionis, Herimanni palatini comitis, Huodonis marchionis, Deoderici palatini comitis eiusque fratris Sigeberti comitis, Herimanni comitis".
Graf im Auelgau: Pope Gregory V granted rights to the abbey founded by "comite Megingozo diveque memoriæ coniuge eius Gerburga" in “comitatu Herimanni palatini comitis...pago...Aualgauue in loco Filiche situm” by charter dated 24 May 996.
The Memorienbuch of Köln St Gereon records the death "XVII Kal Aug" of "Herimannus palatinus comes cuius beneficio habemus Grieneswilere". The Memorienbuch of Köln St Gereon records the death "XII Kal Dec" of "Herimannus palatinus comes huius beneficio habemus Louenich". 1
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