"John IV"@en . . . "John IV (15 October 1396 \u2013 5 November 1450) was a Count of Armagnac, F\u00E9zensac, and Rodez from 1418 to 1450. He was the son of Bernard VII of Armagnac, Count d' Armagnac, of F\u00E9zensac, Pardiac, and Rodez; and the brother of Bernard of Armagnac, Count of Pardiac, of La Marche and Duke of Nemours."@en . . "1450-11-05Z"^^ . . "1396-10-15Z"^^ . . "Count of Armagnac"@en . . . . .