HENRY TYEYS, son and heir, was going to Germany in 1262 with Richard, Earl of Cornwall, whose charters he witnessed, circa 1260-70. He may be the Henry Tyeys who was one of the bailiffs of the Earl of Gloucester in Somerset, temp. Henry III; he was involved in lawsuits in Somerset, 1272 and 1280; and pledged his lands in Cornwall and Oxon. as security for his debts in 1275 and 1279. In May 1282 he and his wife Joan gave to the Bishop of Bath and Wells certain messuages, cellars, shops, &c., in Bristol, also a messuage, &c., in Easton, Somerset, in exchange for the manor of Little Rissington, Gloucester, for their lives; and he was ordered to muster at Rhuddlan, 2 August 1282, as a knight for the said Bishop.
He married Joan, apparently daughter and (or in her issue) heir of Samson FOLIOT (living 30 May 1281), of Fritwell, &c., Oxon., Hardwell, Berks, and Chilton Foliat and Draycot Foliat, Wilts. He died, probably in Wales, shortly before 22 November 1282. Joan, who was living in May 1282, presumably died before 1284. [Complete Peerage XII/2:102, (transcribed by Dave Utzinger)]