What is Dirk IV of Holland?
[[File:Dirck Graef Dircks Soon, ende was die vijfde Grave.jpg|thumb|Dirk IV]] '''Dirk IV''' (ca. 1020/1030 – 13 January 1049) was [[Count of Holland]] from 1039 to 1049 (which was called [[Frisia]] at that time). Dirk's date of birth is unknown but it was probably ca. 1030 or shortly before, [[Category:1020s births]] [[Category:1049 deaths]] [[Category:Counts of Holland]] {{bio-stub}}