Question: When did William Ii, Margrave Of Meissen's mother die?
Sentence (from "Catherine of Henneberg"): Catherine of Henneberg (c. 1334, in Schleusingen – 15 July 1397, in Meissen) was a Countess of Henneberg by birth and from 1347 by marriage Margravine of Meissen, Landgravine of Thuringia, etc.
Relevant evidence: Yes