"Wenceslaus I, Duke of Legnica (Polish: Wacław I legnicki) (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." - (en.wikipedia.org 11.08.2021)
en
)