He is first recorded in a donation in favour of the monastery of Sahagún dated 10 May 921. "Gundesindus Froiani et comyti...Ranimirus...princeps, Frunymius, Hordonius prolis regis, Uirmundus Nunniz, Froyla Uigilaniz" confirmed the charter dated 22 Apr 932 under which "Benedicti presbiter cognomento Pascale et mater mea Coreiscia" donated "villa...Matella et alius terras in Morella suburbio territorio Legionense...". "Ranemirus rex" donated property to Sahagún by charter dated 937, subscribed by "Garvisso, Suarius Nunniz, Munnio Nunniz, Virmundus Nunniz, Nunnu Nunninz, Vraulio Vrauliz". A charter dated 25 Jun 938 records the settlement of a dispute between the monastery of Valdevimbre and "Gondemaro" concerning an aqueduct and mills, subscribed by "Monio Nuniz, Vermudo Nuniz...". "Ranimiro rex" donated property to Sahagún by charter dated 3 Apr 945, witnessed by "…Suarius Nunniz, Munius Nunniz, Nunnus Nunniz, Munius Godesteiz, Ovecco Munniz…Vermudus Nunniz…". "Ranimiro rex" donated property to Sahagún by charter dated 3 Apr 945, witnessed by "……Suarius Nuniz, Munius Nunniz, Nunus Nuniz…Obeco Muniz…Vermudo Nuniz…". Ramiro II King of León invested him with property in Valdavia in 943, and in Valle Alieri next to the river Cea 16 Mar 946. "Ovecus episcopus" confirmed a donation to Sahagún by charter dated 28 Aug 945, witnessed by "Vigila Nunniz, Suarius Nunniz, Munio Nunniz, Virmudus Nunniz…Fredenandus Virmudiz…". "Vermudo Nunez" donated property to the monastery of Santiago de Valdavida by charter dated 13 Aug 949, confirmed by "Velasquita coniux, Fredenandi prolis, Pinioli prolis". "Ouecco" [bishop] donated property to León Cathedral by charter dated 25 May [950], subscribed by "Ouecco sedis Ouetense episcopus, Vigila Nunniz, Suarius Nunniz, Munius Nunniz, Virimundus Nunniz, Nunnus Nunniz, Aurelius Baroncelli...".
Conde [in Cea]. He witnessed a 17 Jun 950 document as "comes in Ceie", immediately after Fernando González Conde de Castilla and Diego Muñoz Conde de Saldaña. "Ermildi" sold "vinea...in territorio Legionense in uilla...Oncina" to "Ueremudus Nunici et uxori tue Uelasquita" by charter dated 24 Aug 953. "Uermud Nunniz..." confirmed the charter dated 8 Jun 954 under which King Ordoño III donated "eglesia...Sancti Claudii, Luperci et Uictorici in arraballde...civitatis Legione" to the church of León. "Vermudo Nunniz" donated property to the monastery of Sahagún by charter dated 28 Jul 955, confirmed by "Fredinando Vermudiz, Velasquita uxor Vermundi Nunniz, Hordonius princeps, Monno Roderiz, Fortes Iustiz, Furtunio Garseani, Obeco Moniz". 1
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