Nielsen Hayden genealogy
Ancestors of John Gresley
Abt 1328 - Aft 1395 (~ 68 years)
┌── Geoffrey de Gresley 
( - Aft 1240)(m. Bef 29 Mar 1220) =>
( - Aft 1240)(m. Bef 29 Mar 1220) => ┌── William de Gresley ( - 1254)(m. Bef 1245)
( - 1254)(m. Bef 1245) │ └── Margaret de Somerville ( - Bef 1244)(m. Bef 29 Mar 1220) =>
( - Bef 1244)(m. Bef 29 Mar 1220) => │
┌── Geoffrey de Gresley (Abt 1245 - Abt 1305)
(Abt 1245 - Abt 1305) │ │
│ │ ┌── John de Bakepuiz (of Barton Bakepuiz, Derbyshire, England - ??) =>
(of Barton Bakepuiz, Derbyshire, England - ??) => │ └── Elizabeth Bakepuiz (of Barton Bakepuiz, Derbyshire, England - Aft 1269)(m. Bef 1245)
(of Barton Bakepuiz, Derbyshire, England - Aft 1269)(m. Bef 1245) │ └── Roesia
│
┌── Peter de Gresley ( - Abt 1310)
( - Abt 1310) │ └── Agnes ( - Aft 1292)
( - Aft 1292) │
┌── Geoffrey de Gresley ( - Abt 1332)(m. Abt 1318)
( - Abt 1332)(m. Abt 1318) │ │
│ │ ┌── Hervey Bagot ( - Bef 25 Aug 1214 bur.Stone, Staffordshire, England)(m. Bef 1193)
( - Bef 25 Aug 1214 bur.Stone, Staffordshire, England)(m. Bef 1193) │ │ ┌── William de Stafford ( - 1258)
( - 1258) │ │ │ └── Millicent de Stafford ( - Bef Jan 1225 bur.Stone, Staffordshire, England)
( - Bef Jan 1225 bur.Stone, Staffordshire, England) │ │ │ (m. Bef 1193) =>
│ │ │
│ │ ┌── Robert de Stafford
│ │ │ └── Auda de Vernon ( - Between 1276 and 1279)
( - Between 1276 and 1279) │ │ │
│ └── Joan de Stafford ( - Bef 1343)
( - Bef 1343) │ └── Gundreda ( - Abt 1308)
( - Abt 1308) │
John Gresley (Abt 1328 Drakelow, Burton-upon-Trent, Derbyshire, England - Aft 1395)
│
│ ┌── Roger Gernon ( - Aft 1225)
( - Aft 1225) │ ┌── Roger Gernon ( - Bef 1279)
( - Bef 1279) │ │ └── Matilda ( - Bef 1225)
( - Bef 1225) │ │
│ ┌── John Gernon (of East Lavington, Wiltshire, England - ??)
(of East Lavington, Wiltshire, England - ??) └── Margaret Gernon ( - Aft 1352)(m. Abt 1318)
( - Aft 1352)(m. Abt 1318) │
│ ┌── John du Plessis (Bef 1202 - 25 Feb 1263)(m. 1234)
(Bef 1202 - 25 Feb 1263)(m. 1234) │ ┌── Hugh de Plessis (Between 1237 and 1239 of Hook Norton, Oxfordshire, England - Bef 7 Jul 1292)
(Between 1237 and 1239 of Hook Norton, Oxfordshire, England - Bef 7 Jul 1292) │ │ (m. Bef Oct 1249)
│ │ │
│ │ │ ┌── Hugh de Saunford (of Moreton, Wallingford, Berkshire, England - Abt 1234)
(of Moreton, Wallingford, Berkshire, England - Abt 1234) │ │ └── Christian de Saunford (of Missenden, Buckinghamshire, England - Bef 25 Dec 1242)
(of Missenden, Buckinghamshire, England - Bef 25 Dec 1242) │ │ (m. 1234)
│ │ └── Joan Noers (of Missenden, Buckinghamshire, England - Abt 1252) =>
(of Missenden, Buckinghamshire, England - Abt 1252) => │ │
└── Alice de Plessis ( - Aft 1301)
( - Aft 1301) │
│ ┌── Henry Biset (of Kidderminster, Worcestershire, England - 1208) =>
(of Kidderminster, Worcestershire, England - 1208) => │ ┌── John Biset (of Kidderminster, Worcestershire, England -
│ │ 1241 bur.Maiden Bradley Priory, Wiltshire, England)(m. Bef 1223)
(of Kidderminster, Worcestershire, England -│ │ 1241 bur.Maiden Bradley Priory, Wiltshire, England)(m. Bef 1223)
│ │ └── (Unknown first wife of Henry Biset) (Abt 1160 - ??)
(Abt 1160 - ??) │ │
└── Isabel Biset ( - Bef Jan 1279 bur.Hook Norton Church, Oxfordshire, England)(m. Bef Oct 1249)
( - Bef Jan 1279 bur.Hook Norton Church, Oxfordshire, England)(m. Bef Oct 1249) │
│ ┌── Thomas Basset (of Headington, Oxfordshire, England - Bef 1 May 1220) =>
(of Headington, Oxfordshire, England - Bef 1 May 1220) => └── Alice Basset ( - Abt 1263)(m. Bef 1223)
( - Abt 1263)(m. Bef 1223) └── Philippe Malbank =>
=>