Jan of Cieszyn
Of Noble birth, but led clerical life around Warsaw
(1339–1359)
Parents
Casimir I, Duke of Cieszyn
Eufemia of Masovia
Children
Siblings
Jolanta Helena of Cieszyn
Elisabeth of Cieszyn
Siemowit of Cieszyn
Przemyslaus I Noszak, Duke of Cieszyn
Bolesław of Cieszyn
Anna of Cieszyn
Agnes of Cieszyn
Władysław of Cieszyn