Anna of Cilli and her daughter Hedwig Jagiellon were 15th-century figures in which European country's royal family?
Anna of Cilli: Anna of Cilli or Anne of Celje (  1381 – 21 May 1416) was Queen consort of Poland (1402–1416). Hedwig Jagiellon (1408–1431): Hedwig Jagiellon (Lithuanian: "Jadvyga Jogailaitė" , Polish: "Jadwiga Jagiellonka" ; 8 April 1408, Kraków – 8 December 1431, Kraków) was a Polish and Lithuanian princess, and a member of the Jagiellon dynasty.
Poland