Anna of Poland, Countess of Celje Polish princess (1366–1425) (1366–1425) Parents Casimir III the Great Hedwig of Sagan Children Anna of Cilli Siblings Elizabeth of Poland, Duchess of Pomerania Cunigunde of Poland Niemierza Kazimierzowic Barbara of Legnica Partners Viljem Celjski Ulrich II Herzog von Teck
