John Warburton (d. by 1391)

✓ John Warburton, surviving son and heir of Sir Geoffrey junior; succeeded by 1383; d. before 1391, when Sir John Massy of Tatton presented to Warburton as guardian of his son Peter. Source: Ormerod, History of the County Palatine and City of Chester (1819), vol. I, pp.426-429 'Warburton of Arley' (from the family archives, communicated by the Rev. R. E. Warburton) (Sir Peter Leycester's text from the family evidences, with Ormerod's additions), read 2 Nov 2026 (archive.org djvu text). [DIRECT ANCESTOR OF THE COMPILER: flag added 2 Nov 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]