The Codex de Roda names "Fortunio Garseanis et Sanzio Garseanis et domna Onneca" as the children of "Garsea Enneconis" and his unnamed wife, stating that Oneca married "Asnari Galindones de Aragone". 1
Marriage Information:
Oneca married Aznar II Galíndez, conde de Aragón, son of Galíndo I Aznárez, conde de Aragón. (Aznar II Galíndez, conde de Aragón died in 893.)
Sources
1 Foundation for Medieval Genealogy, Medlands: Oneca García.