His parentage is confirmed by a charter dated 17 Sep 1016 under which "Munius Nuniz et uxor mea Sanctia Roderici simul Nepocianus confessus et Hermesinda deouota" donated “in valle Sarria villa Lusario”, obtained from “domnus Sisnandus episcopus...de susceptione parentum suorum Hermegildus et Paterna et illi habuerunt ea de parentes suos et avios Aloitus et Argilo, Gutier et Geloire”, to “Guttier diaconus et Munie prolix Munione confesse” at Sobrado. "…Armentarius, Pelagius, Aloitus" subscribed the charter dated 18 Dec 922 under which King Ordoño II donated the monastery of San Pedro de Triacastela to Santiago de Compostela.
Married Argilo, daughter of ---. Her marriage is confirmed by a charter dated 17 Sep 1016 under which "Munius Nuniz et uxor mea Sanctia Roderici simul Nepocianus confessus et Hermesinda deouota" donated “in valle Sarria villa Lusario”, obtained from “domnus Sisnandus episcopus...de susceptione parentum suorum Hermegildus et Paterna et illi habuerunt ea de parentes suos et avios Aloitus et Argilo, Gutier et Geloire”, to “Guttier diaconus et Munie prolix Munione confesse” at Sobrado. 1