In Apr 1443 John Beaufort 1st Duke Somerset (age 40) declared himself Lieutenant of Aquitaine and Captain-General of Guyenne. He was paid £25,000 attracting the enmity of Richard Plantagenet 3rd Duke of York (age 31) whose significants debts remained unpaid by the Crown.

In Sep 1443 John Beaufort 1st Duke Somerset (age 40) led 7000 men to Cherbourg [Map]. He returned around Dec 1443 having achieved nothing but the loss of all his funds and, possibly, half his men.

Chronicle of Gregory 1443. 08 Sep 1443. And on the same yere, the viij day of Septembyr, there was done a grete vyage yn Fraunce by the Duke of Somesette (age 40) and his retynowe; and at the same viage were slayne and takyn to the nombyr of iij M vij c [3700], whereof were ix lordys and a squyer, whyche that was a grete captayne.