University of Hull Royal Database (England), Author Address: @ s of Dirk III Count of Holland, no mother
The cited information was published by University of Hull, Hull, UK HU6 7RX, 1994, 1995, 1996 (Ref: s of Dirk III Count of Holland, no mother) The author/originator was Brian Tompsett, Dept of Computer Science.
Source Notes
Usually reliable but sometimes includes hypothetical lines,
mythological figures, etc.