Question: Who is the paternal grandmother of Casimir Ii Of Łęczyca?
Sentence (from "Wenceslaus II, Duke of Cieszyn"): Wenceslaus II of Cieszyn( b. 1488/96- d. 17 November 1524), was a Duke of Cieszyn since 1518 until his death( as co-ruler of his father).
Relevant evidence: No