Sir Geoffrey de Warburton (fl. 1314-1326)

✓ Sir Geoffrey de Warburton, s. and h. of Sir Peter; with his wife Margaret in a 1314 acquittance (the first deed in the family archive using the name Warburton); late sheriff of Lancashire 1326. 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.]