Sigismund I the Old Jagiellon, King of Poland, Grand Duke of Lithuania, Duke of Silesia, was born 1 January 1467 to Casimir IV of Poland (1427-1492) and Elisabeth von Habsburg (1437-1505) and died 1 April 1548 of unspecified causes. He married Barbara Zápolya (1495-1515) 1512 JL . He married Bona Sforza (1494-1557) 1517 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), William I of England (1027-1087), Hugh Capet (c940-996), Henry II of England (1133-1189). Ancestors are from Poland, Austria, Lithuania, Belarus, France, Bohemia, the United Kingdom, Germany, Belgium, Slovakia, Slovenia, Russia, Switzerland, Ukraine, the Czech Republic, Italy, Hungary, the Netherlands, Spain, Turkey, the Byzantine Empire, Sweden.


Offspring of Sigismund I Jagiellon and Barbara Zápolya (1495-1515)
Name Birth Death Joined with
Hedwig of Poland (1513-1573) 15 March 1513 Posen 7 February 1573 Neuruppin Joachim II. Hector von Brandenburg (1505-1571)

Anna of Poland (?-?)

Offspring of Sigismund I Jagiellon and Bona Sforza (1494-1557)
Name Birth Death Joined with
Isabella of Poland (1519-1559)
Sigismund II of Poland (1520-1572)
Sophia of Poland (1522-1575) 13 July 1522 Kraków, Poland 28 May 1575 Schöningen, Lower Saxony, Germany Heinrich II. von Braunschweig-Wolfenbüttel (1489-1568)

Anna I of Poland (1523-1596) 18 October 1523 Kraków 9 September 1596 Warsaw Stephen Báthory (1533-1586)

Catherine of Poland (1526-1583) 1 November 1526 16 September 1583 Johan III of Sweden (1537-1592)

Offspring of Sigismund I Jagiellon and Katarzyna Telniczenka (-1528)
Name Birth Death Joined with
Wojciech Olbracht (1499-1538)
Regina Jagiellon (c1500-1526)
Katharina Jagiellon (1503-1548)


Footnotes (including sources)