John de Thweng of Cornbrough

✓ John de Thweng of Cornbrough, son and heir of Edmund de Thweng (d. 1344): Cal. IPM VIII no. 524 (Edmund de Thweng, writ 6 Nov 18 Edw III) 'John his son, aged 20 years, is his next heir'; no. 659 (Joan late the wife of John de Twenge, 1346) 'John de Twenge, son of Edmund son of the said John and Joan, aged 22 years and more, is her next heir'. VCH: 'Before he died in 1369 the younger John granted lands in Cornbrough to his son Marmaduke, who came of age six years later, and was still holding in 1413'; his daughters Joan (m. John de Westhorpe - our line), Alice (ancestress of the Wautons) and a third carried Cornbrough to the coheirs of 1495. The 1586 Visitation pedigree of the Westropps was registered from him. Wife not named in these sources. Source: Calendar of Inquisitions Post Mortem vol. VIII (Edward III) nos. 524 and 659 (archive.org calendarofinquis08grea), read 27 Oct 2026; Source: VCH Yorkshire North Riding vol. 2 (1923), 'Parishes: Sheriff Hutton' - Cornbrough manor (british-history.ac.uk/vch/yorks/north/vol2/pp172-187), read 27 Oct 2026. [DIRECT ANCESTOR OF THE COMPILER: flag added 27 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]