Isabella Jagiellon

Isabella Jagiellon
Portrait by Lucas Cranach the Younger, 1553
Queen consort of Transylvania
Reign23 February 1539-22 July 1540
CoronationSzékesfehérvár, Transylvania
SuccessorAnna Jagiellon in 1576
Born18 January 1519
Kraków, Poland
Died15 September 1559 (aged 40)
Gyulafehérvár, Transylvania
Burial
St. Michael's Cathedral, Alba Iuli
SpouseJohn I of Transylvania (m.1539-1540)
IssueJohn II Sigismund
HouseJagiellon dynasty
FatherSigismund the Old
MotherBona Sforza

Isabella Jagiellon (Hungarian: Izabella királyné; Polish: Izabela Jagiellonka; Lithuanian: Izabelė Jogailaitė) 18 January 1519 – 15 September 1559 was born in Kraków as the oldest child of Sigismund the Old and his second wife Bona Sforza. In 1539, she married John I of Transylvania, at the time Ferdinand I of Bohemia claimed Transylvania, John I died a year later from Intracerebral hemorrhage, 2 weeks before Zápolya died, Isabella gave birth to John II Sigismund, she spent the rest of her life embroiled in succession disputes on behalf of her son.