A document names “comites Vermuto Velaz et Froila Velaz” as founders of the monastery of San Miguel de Bárcena. “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...”. He confirmed a donation of Ordoño III King of León 17 Jun 950. “Dominico et Mahamuth” sold “uilla...Sancti Laurenti” to “Froila Uegilaz et uxori uestra Scemena” by charter dated 5 Mar 959.
Conde from 1 Dec 959. Mayordomo 16 Mar 962, 19 Feb 969 and 23 Apr 978. “Froila Uigilani...” confirmed the charter dated 8 Nov 963 under which King Sancho I donated the church of San Marcelo “in suburbio Legionense...ad portam Cauriensem” to León Santa María. “Froila Uegilat...” confirmed the charter dated 17 Sep 968 under which Ramiro III King of León donated “de comitatu de Mera III, de Nallare IV...et Parriga media et IV de comitato Nemitos” to Sobrado. “...Froilani Uigilani...” confirmed the charter dated 21 Jul 974 under which King Ramiro III donated the monastery of Santos Justo y Pastor de Rozuela to Ariendo monastery, previously granted to “condam Sendino presbitero, Puricelly pigno qui hunc pontifice tum sedis huius tenens compto”. “Froila Uigilaz...” confirmed the charter dated 10 Dec 975 under which King Ramiro III donated “hereditatem de duobus fratribus...Salbator et Mahamuthi”, which had been confiscated for homicide, to “Sauaricus diaconus”. “Comes Froyla Velaz...cum coniuge mea comitissa Gislavara” donated “villa Leocadi...villam...Garrio...villam Sancti Jacobi de Felgueras...cum monasterio Sanctæ Mariæ de Cartavio...” to León San Salvador by charter dated 14 Mar 976. “...Froila Uigilani...” confirmed the charter dated 8 Jan 978 under which King Ramiro III donated “Uillas de Asinos” to Sisnando Bishop of León.
Married firstly Jimena, daughter of ---. “Dominico et Mahamuth” sold “uilla...Sancti Laurenti” to “Froila Uegilaz et uxori uestra Scemena” by charter dated 5 Mar 959. She and her husband received the villa of Gomá in 24 Jun 963, and are mentioned together for the last time 23 Jun 964.
Married secondly Eilo, daughter of ---. She is named as the wife of Fruela Vela in the 18 Jul 1047 document of her granddaughter Aldonza Muñoz, wife of Piniolo Jiménez.
Married thirdly Gislavara, daughter of ---. “Comes Froyla Velaz...cum coniuge mea comitissa Gislavara” donated “villa Leocadi...villam...Garrio...villam Sancti Jacobi de Felgueras...cum monasterio Sanctæ Mariæ de Cartavio...” to León San Salvador by charter dated 14 Mar 976. 1
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