| Dirk I Count of Holland |
| Father: Gerulf Count of Holland | Mother: |
| Born: abt 900 of Noordwijk-Binnen, Zuid-Holland, Netherlands |
Died: Oct 6, 939 |
| Spouse: Giva Countess of Holland | Married: |
| Children:
Dirk II Count of Holland & West Friesland | Brothers & Sisters: |