Dirk IV of Holland
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,
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,