Bolesław V of Warsaw

Bolesław V of Warsaw, was a Polish prince member of the House of Piast in the Masovian branch. He was a Duke of Czersk, Liw, Warsaw, Nur, Łomża, Ciechanów, Różan, Zakroczym and Wyszogród during 1454-1471 jointly with his brothers, Duke of Płock, Wizna, Płońsk and Zawkrze during 1462-1471, and after the division of the paternal domains in 1471, sole ruler over Warsaw, Nur and Liw. In 1484 he abdicated his rule over Błonie, Tarczyn, Kamieniec and Zakroczym.