Sigismund I The Old
Sigismund I of Poland (Polish: Zygmunt I Stary; Lithuanian: Žygimantas II Senasis) (1 January 1467 – 1 April 1548), of the Jagiellon dynasty, reigned as King of Poland and also as the Grand Duke of Lithuania from 1506 until 1548. Earlier, Sigismund had been invested as Duke of Silesia.
Read more about Sigismund I The Old: Life, Marriages and Issue, Ancestry