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Siemowit VI of Płock (pl: Siemowit VI płocki; 2 January 1446 - 31 December 1461/1 January 1462), was a Polish prince member of the House of Piast from the Masovian branch. He was a Duke of Płock, Rawa Mazowiecka, Belz, Płońsk, Zawkrze and Wizna during 1455-1461/62 (under regency until 1459) jointly with his brother, since 1459 ruler over ...
Research genealogy for Siemowit VI Duke of Płock, as well as other members of the Duke of Płock family, on Ancestry®.
Apr 30, 2022 · Genealogy for prince Siemowit of Plotsk, VI (1446 - 1462) family tree on Geni, with over 245 million profiles of ancestors and living relatives.
Siemowit Piast of Plock VI. Maintained by: CMWJR. Originally Created by: Todd Whitesides. Added: 29 Feb 2016. Find a Grave Memorial ID: 158747696. Source citation. Born on 2 Jan 1446. Died on 31 Dec 1461. Buried in Płock, Mazowieckie, Poland.
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Siemowit VI and Władysław II were dukes of Płock, Wizna, Zawkrze, Sochaczew, Gostyń, and Bełz. Various claimants to their duchies emerged, among whom Catherine, daughter of Siemowit IV and widow of Mykolas Žygimantaitis, and Margaret, duchess of Oleśnica, pursued their claims energetically.
Life. After the death of their father on 11/12 December 1455, Władysław II and his brother Siemowit VI inherited their domains; however, because at that moment they are minors, the regency was held by their mother and Paweł Giżycki, Bishop of Płock.
