- Anna Piast of Plock, Duke of Plock, was born circa 1324 to Wenceslaus of Płock (c1293-1336) and Elzbieta of Lithuania (1302-c1364) and died 16 February 1363 of unspecified causes. She married Henry V of Zagan (c1319-c1369) 6 September 1337 JL. Notable ancestors include Alfred the Great (849-899), Charlemagne (747-814), Hugh Capet (c940-996).
- Henry V of Zagan (c1319-c1369)
- Elzbieta of Lithuania (1302-c1364)
- Duke of Plock
Wenceslaus (Wańko) of Płock (Polish: Wacław Płocki, Masovian dialect: Wańko Puocky; 1293/97 – 23 May 1336), was a Polish prince member of the House of Piast, Duke of Płock since 1313 and vassal of Bohemia from 1329.
Anna was elected duchess by the nobles to maintain the independence of the Duchy. It was unsuccessful, because, in the same year, Masovia was annexed to the Kingdom of Poland . Media related to Dukes of Masovia at Wikimedia Commons
Henry of Masovia (1368/1370–1392/1393), became Bishop of Płock. Siemowit accused Anna of adultery when she became pregnant with Henry. After his birth Siemowit had Anna strangled and Henry cast away. However, it turned out Henry was the son of Siemowit so he was made a bishop.
Anna of Oleśnica, Paul Giżycki, Regents of Płock and Rawa-Rawa (1455–1459) Siemowit VI, co-Duke of Płock and Rawa (1455–1462) Władysław II, co-Duke of Płock and Rawa (1459–1462) Casimir III, co-Duke of Warsaw (1454–1462), of Masovia (1462–1471), Duke of Płock (1471–1475)
In 1444 Władysław I married with Anna (ca. 1425? – aft. 15 August 1482), a daughter of Duke Konrad V of Oleśnica. They had two sons: Siemowit VI (2 January 1446 - 31 December 1461/1 January 1462). Władysław II (aft. 31 October 1448 - 27 February 1462).
Janusz II of Płock (pl: Janusz II płocki; ca. 1455 - 16 February 1495), was a Polish prince member of the House of Piast in the Masovian branch.He was a Duke of Warsaw, Nur, Łomża, Liw, Ciechanów, Wyszogród and Zakroczym during 1454-1471 jointly with his brothers (under regency until 1462), Duke of Płock, Płońsk, Zawkrze and Wizna during 1462-1471, and after the division of the ...
By 6 September 1337, Henry V married with Anna (b. 1324 – d. 16 February 1363), daughter of Duke Wenceslaus of Płock. They had five children: Henry VI the Older (b. bef. 1345 – d. 5 December 1393). Anna (b. bef. 1350 – d. aft. 14 July 1405), married by 20 January 1361 to Duke John I of Opava-Ratibor.
Masovia Seal of Wenceslaus I of Płock.png 1,598 × 1,589; 4.25 MB AGAD Jan, krol czeski, przejmuje i nadaje jako lenno ksieciu plockiemu Waclawowi Plock, Wyszogrod i Gostynin.png 6,834 × 6,395; 96.14 MB