Question: Why did Robert Of Bar, Count Of Marle's father die?
Sentence (from "Jeanne of Bar, Countess of Marle and Soissons"): Jeanne de Bar, suo jure Countess of Marle and Soissons, Dame d' Oisy, Viscountess of Meaux, and Countess of Saint- Pol, of Brienne, de Ligny, and Conversano( 1415 – 14 May 1462) was a noble French heiress and Sovereign Countess.
Relevant evidence: No