Bermudo was the son of Froíla Rodriguez de Trava and Durambias. The date and place of his birth have not been found.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Froila Bermúdez (c1045-1091).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | conde de Trava |