899 to Dirk I van Holland (c874-c923) and died circa 939 of unspecified causes. He married Gerberga van Hamaland (c890-c940) .Dirk I bis van Holland, Count of Holland, was born circa
Little is known about Dirk, and historians have often confused him with his father and son.
|Offspring of Dirk I bis van Holland and Gerberga van Hamaland (c890-c940)|
|Dirk II van Holland (930-988)||930||6 May 988|| Hildegard of Flanders (935-990)|
|Wichman IV van Hamaland (c935-974)||935||974|| Luitgard of Flanders (941-964)|
Namesakes of Dirk I bis van Holland (c899-939)
|Count of Frisia west of the Vlie|
| Succeeded by|