Frederick II of Legnica
Frederick II, Duke of Legnica( 12 February 1480 – 17 September 1547), also known as the Great of Legnica, was a Duke of Legnica from 1488( until 1495 and 1505 with his brothers), of Brzeg from 1521.
The most notorious of all Legnica Piast rulers, thanks to his excellent financial politics his Duchy was expanded to the Oder River, and he became the founder of the Duchy of Legnica- Wołów- Brzeg.
He was the second son of Frederick I, Duke of Chojnów- Oława- Legnica- Brzeg- Lubin, by his wife Ludmila, daughter of George of Poděbrady, King of Bohemia.
Wenceslaus I of Legnica
Wenceslaus I, Duke of Legnica( ca. 1318 – 2 June 1364) was a Duke of Namysłów from 1338 and of Legnica- Brieg from 1342 until his death, but with further divisions with his brother Louis I.
He was the eldest son of Bolesław III the Generous, Duke of Legnica- Brieg by his first wife, Margaret of Bohemia.
He was named after his maternal grandfather, King Wenceslaus II of Bohemia.
Henry XI of Legnica
Henry XI of Legnica( Schloss Liegnitz, 23 February
1539 – Krakow, 3 March 1588), was a thrice Duke of Legnica: 1551- 1556( under regency), 1559 – 1576 and 1580- 1581.
He was the eldest son of Frederick III, Duke of Legnica, by his wife Katharina, daughter of Henry V, Duke of Mecklenburg- Schwerin.
Bolesław IV of Legnica
Bolesław IV of Legnica( ca. 1349 – 3/4 March 1394) was a Duke of Legnica since 1364( nominally; together with his brothers).
He was the third son of Wenceslaus I, Duke of Legnica by his wife Anna, daughter of Casimir I, Duke of Cieszyn.
Rupert I of Legnica
Rupert I of Legnica( 27 March 1347 – by 12 January 1409) was a Duke of Legnica since 1364 until his death, and also regent over half of the Duchy of Głogów- Żagań during 1397 – 1401.
He was the eldest son of Wenceslaus I, Duke of Legnica, by his wife Anna, daughter of Casimir I, Duke of Cieszyn.
He was born after eight years of childless marriage.
Bolesław III the Generous
Boleslaw III the Wasteful( 23 September 1291 – Brieg, 21 April 1352), was a Duke of Legnica, Brzeg( Brieg) from 1296 until 1342, and Duke of Wrocław from 1296 until 1311.
He was the eldest son of Henry V the Fat, Duke of Legnica and Wrocław, by his wife Elisabeth, daughter of Bolesław the Pious, Duke of Greater Poland.
Wenceslaus II of Legnica
Wenceslaus II, Duke of Legnica( 1348 – 30 December 1419) was a Duke of Legnica from 1364( only nominal; from 1409 he reigned alone and personally) until 1413, Bishop of Lebus( 1375 – 82) and Breslau( Wroclaw)( 1382 – 1417; also Duke of Nysa-Otmuchów.
He was the second son of Wenceslaus I of Legnica, by his wife Anna, daughter of Casimir I, Duke of Cieszyn.
Henry VIII of Legnica
Henry VIII of Legnica( ca. 1355 – 12 December 1398) was a Duke of Legnica since 1364( nominally and together with his brothers) and Bishop of Włocławek since 1389 until his death.
He was the fourth of Wenceslaus I, Duke of Legnica, by his wife Anna, daughter of Casimir I, Duke of Cieszyn.
Henry Wenceslaus, Duke of Oels-Bernstadt
Henry Wenceslaus, Duke of Oels- Bernstadt( also known as:" Henry Wenceslaus of Poděbrady Henry Wenceslaus of Bernstadt" or" Henry Wenceslaus of Münsterberg",,, or, or; 7 October 1592, probably in Oleśnica – 21 August 1639, probably in Bernstadt) was Duke of Bernstadt from 1617 until his death.
He also used the titles of Duke of Münsterberg and Count of Glatz, although he never ruled those territories.
From 1629 to 1639 he was Governor of Silesia.
Frederick III of Legnica
Frederick III, Duke of Legnica  (22 February 1520 – 15 December 1570) was a Duke of Legnica during 1547–1551 and 1556–1559 (both times was deposed by Habsburgs Emperors Charles V and Ferdinand I).
He was the eldest son of Frederick II, Duke of Legnica-Brzeg, by his second wife Sophie, daughter of Frederick I, Margrave of Brandenburg-Ansbach.

Question: What nationality is Wenceslaus I Of Legnica's father?
Answer: Poland