Gérulf was the son of unknown parents. The date and place of his birth have not been found.
He died in 0855. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Gérulf II (?-<0916).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 0855 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | ABT 0833 | comte dans le Kennemerland |
Note 1
Il peut-être lui-même fils d'un Théodoric, qui passait pour descendre du roi frison Radbod, mort en 719.