Question: When did Louis Iii, Count Of Blois's father die?
Sentence (from "Louis II, Count of Blois"): Louis II of Châtillon (d. 26 August 1346, battle of Crécy), son of Guy I, Count of Blois and Margaret of Valois, was count of Blois and lord of Avesnes 1342–1346.
Relevant evidence: Yes