Fernando was the son of unknown parents. The date and place of his birth have not been found.
His wife was Gotinha. They were married, but the date and place have not been found. Their four known children were Nuño Fernández (c0890-0932), Gonzalo Fernández (?->0932), Rodrigo Fernández (?->0926) and Flámula (?->0929).
| Association | Relationship |
|---|---|
| Nuño Nuñez Rasura de Brañosera (juez de Castilla) | père? |
| Argilona Díaz | mère? |
Note 1
May have been the son of Gonzalo Nuñez, Gobernador de Bureba & NN Fernandez. This is more likely.