Fernando was the son of unknown parents. The date and place of his birth have not been found.
His wife was Elvira Díaz. They were married, but the date and place have not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | conde de Cea |
Note 1
Foi filho de Bermudo Nunes, conde de Cea e de sua esposa Argilo de Castela, filha de Gonçalo Fernandez de Lara (880 — 915), conde de Castela e conde de Burgos