George Edmund Byron Bettesworth (1780-1808), as lieutenant of the
Centaur
, was wounded (1804) in the capture of the
Curieux
. In command of the latter vessel he captured the
Dame Ernouf
(1805), and was again wounded. He was made a post-captain in the latter year, when he brought home despatches from Nelson at Antigua, announcing Villeneuve's return to Europe. He was killed off Bergen in 1808, while in command of the
Tartar
. Captain Bettesworth, whose father assumed the name of Bettesworth in addition to that of Trevanion, married, in 1807, Lady Alethea Grey, daughter of Earl Grey. Through his grandmother, Sophia Trevanion, Byron was Captain Bettesworth's cousin.