Princess Anna Jagiellon (Polish: Anna Jagiellonka), daughter of King Casimir IV Jagiellończyk, had 10 siblings - 4 sisters and 6 brothers. She was born in Nieszawa on 12 March 1476 and on 2 February 1491 married the Duke of Pomerania, Bogislaw X. They had eight children, but the duchess died young in 1503. Many towns and villages of the former Duchy of Pomerania have streets named after her.