Herzog von Polen (seit 1079)
Poland
Płock, Masovian Voivodeship
Kathedrale von Płock
Władysław I. Herman (* 1. January 1043; † 4. June 1102) was a herzog von Polen (seit 1079). He was 59 years old. He was married to Judith von Böhmen. He had at least 3 children (1 son and 2 daughters).