Question: What is the date of death of Jadwiga Of Kalisz's husband?
Sentence (from "Jadwiga of Kalisz"): Jadwiga of Kalisz ( Polish:" Jadwiga Bolesławówna"; 1266 – 10 December 1339) was a Queen of Poland by marriage to Władysław I the Elbow-high.
Relevant evidence: Yes