"The extract of a document recently added to the National Archives' excellent on-line catalogue strongly suggests that John Hynkeley of Thurlow belonged to the Staffordshire family of that name, and certain local research indicates that he was in fact the eventual heir of the Hynkeley family who had been lords of Aston by Stone.
"The document in question, SC 8/24/1173, refers to an Inquisition, the jurors of which had found against John Hynkeley, and states in part that 'John Hynkeley has now sued a writ of decies tantum in Staffordshire, claiming that they took money from the plaintiffs at Stafford and Stone to corrupt the inquisition; which they deny. They ask the commons to consider that the writ of trespass was sued in Essex, where they live, and that they have never been to Staffordshire, whereas John Hynkeley has many kinsmen and allies there'.
"The references to Staffordshire kinsmen obviously suggested a family that pops up in scattered references in the Patent Rolls, and in Collections for the History of Staffordshire, among other places. But the only pedigree I could find that had already been compiled for this family was on an obscure CD-Rom publication, 'Staffordshire Landed Gentry' by Richard Williams, of which there is a copy in the British Library. He gives a Hynkeley pedigree with few references, which can be summarised as follows [my own additions in brackets]:
I. John Hynkeley, was lord of Stoke in Stone 1281/2; father of
II: John Hynkeley, Lord of Aston by Stone in 1316; d. by 1318; father of
III. Sir John Hynkeley of Stoke in Stone. (Bailiff, Queen's Isabel's Hundred of Ellesmere, Salop); (Bailiff, Queen's Isabel's manor of Macclesfield) 1316; (served in Scotland) 1319; (M.P., Staffs) 1320 1325 1328(1) 1328(2); (pardoned for acting against the Despencers) 1321; (with Lancaster, in arms against the King) 1322; (? surrendered before Boroughbridge); (knighted) 1323-4; (as a Staffs Knight, summoned to attend the King at Westminster and on an armorial roll) *1324; (Commr. Array) 1324; (J.P., Staffs) 1325-30; (served in France) 1326; (Sheriff, Staffs & Salop) 1327-Feb 1329.30 Mar 1329.30-Dec 1330 1335-6; (M.P., Staffs & Salop) 1330 1335 1336; (Keeper, Roucester Abbey) 1335; (served in Ireland) 1337 Married by 1318 Elizabeth _____ [Who in 1346 h. remainder of certain tenements in Wystaneswyk, per Collections for the History of Staffordshire 11, P. 157]; father of
IV. John Hynkeley, lord of 1/2 of Aston in Stone [d. aft 1342; mentioned as son of III in Cal Pat Rolls E3V5, P. 545]; father of
V. John Hynkeley, (held land at Tunstall and Abbots Bromley); (succeded William Venables at Aston in Stone) a1376; (M.P., Staffs) 1378 1385; (squire to Hugh Calveley in France) 1380-1; (J.P., Staffs) 1382; (living) 1388; father of
VI. John Hynkeley, m Margaret ......; (a widow) 1432/3 (in retinue of Hugh Stafford 2nd Earl of Stafford a1342-1386, and brought his remains back from Rhodes for burial at Stone) a1386 (as son and heir, lord of Aston in Stone, until sold to William Lee of Aston in Stone Esquire c1400-a1446 QV)
"The latter gentleman is apparently identical to John Hynkeley of Thurlow, who married Margaret Notbeme and would indeed have left her a widow by 1432/3. Williams unfortunately does not state how, in following the Hynkeley line forward, he learnt these particulars, and it is ironic that he apparently is unaware of the line's eventual fate in Suffolk, while I believe those of us who had previously encountered John Hynkeley in Essex records were ignorant of his Staffordshire ancestry (though it should be noted that Williams' compilation ends at this point, while there are Hynkeleys of this line in Staffordshire traceable through land holidings until at least 1466)." 
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On 8 Mar 2018 at 04:16 GMT Helena Blomfield wrote:
I would adopt it as its one of my ancestors, but have no pre1500 cert. A 15th Great Grand Father.