1911 Encyclopædia Britannica, Volume 10… (1911)
“ By Agnes, whom he divorced in 1373, he had an only son, Gaston, who is said to have been incited by his uncle, Charles II., king of Navarre, to poison his father, and who met his death in 1381. It is probable, as Froissart says, that he was killed by his father. Left without legitimate sons, Gaston was easily persuaded to bequeath his lands to King Charles VI., who thus obtained Foix and Béarn when the count died at Orthes in 1391. Gaston was very fond of hunting, but was not without a taste for art and literature. ”
