His eldest son was probably killed in 1426. Samazeuilh 1846, p. 460 Samazeuilh, Jean-François (1846). Histoire de l'Agenais [History of Agenais] (in French). Auch, France: Printing-house of J. Foix. Retrieved July 3, 2019.
in 1417 according to varying sources. (Svátek 2012, p. 34) (Henry 2009) Nompar of Caumont; Guillaume Manier; Jean Bonnecaze (2009). Henry, Christine; Vialle, Jean-Pierre (eds.). Sur le chemin de Compostelle: trois récits de pèlerins partis vers Saint-Jacques (1417, 1726, 1748) [On the way to Compostela: Three Accounts of Pilgrims to St. James's] (in French). Paris, France: Cosmopole. ISBN978-2-8463-0043-8. OCLC690771048.