Becoming an adherent of Mortimer, he was summoned to parliament between June 1328 and September 1330 and was one of the not impartial judges in the trial of the conspirators who attempted to overthrow Mortimer in February 1329. In October 1330, when Mortimer was removed from power, Ingham was captured by the forces of Edward III at Nottingham and sent for trial to London. On 22 October, his lands and goods were declared forfeit. However he was pardoned on 8 December 1330, the new king acknowledging his loyal service in the past, and his property was restored to him with the important exception of grants from the crown. Second term in Aquitaine From this time on, he served the king in Aquitaine and rarely returned to England. On 29 June 1331 he was reappointed as seneschal in Aquitaine, responsible for the peace, order, and defence of the duchy at a time of deteriorating Anglo-French relations, which culminated in the outbreak of the Hundred Years' War in 1337. The defences of the duchy had been undermined by the loss of several key castles in the previous war and the loyalty of the local nobility was divided, as many owned estates on both sides of the border. By August 1336 the duchy was on a war footing again, Ingham being ordered to forbid all Gascon men-at-arms to leave the land without licence and to ensure all major strongholds were properly garrisoned, equipped, and victualled. On 24 May 1337, King Philip VI of France announced that he was confiscating Aquitaine and French commissioners were sent to take possession of the duchy. Ingham met them at Libourne and refused to surrender his territory. He then began military operations, mostly in the Agenais. Overall English strategy concentrated on attacking the north of France, with the result that Ingham in the south-west received neither troops nor funds from England and had to rely entirely on local resources. The income of the duchy depended mainly on tolls and custom dues from goods conveyed along the great rivers, but trade dried up almost entirely with the onset of war. Most of what revenue remained had to be used to support garrison commanders. As a result, Ingham’s government in the capital city of Bordeaux had very limited options over how to conduct the defence. Although losing Penne-d'Agenais, he successfully defended Bonnegarde and other strongholds and fought off a French