Thomas de Lewknor

1271 - Bef 1336  (< 66 years)

• Name	Thomas de Lewknor
  Birth	From 1270 to 1271	of South Mimms, Middlesex, England
  Gender	Male
  Death	Bef 22 Mar 1336	of Broadhurst, Sussex, England
  Person ID	I6028	Petersen-de Lanskoy
  Last Modified	21 Jun 2026

  
  

  Father	Roger de Lewknor,   b. From 1244 to 1246, of South Mimms, Middlesex, England d. Bef 24 Sep 1295, of South Mimms, Middlesex, England (Age < 51 years)
  Mother	Joan de Keynes
  Marriage	Bef 1271	, , England
  Family ID	F2640	Group Sheet  |  Family Chart

  
  

  Family	Sibyl   d. Aft 1336, of Broadhurst, Sussex, England
  Children	1. Roger de Lewknor,   b. Abt 1304, of Broadhurst, Sussex, England d. 14 Mar 1362, of Broadhurst, Sussex, England (Age 58 years)   2. John de Lewknor,   b. of South Mimms, Middlesex, England   3. Pernel de Lewknor,   b. of South Mimms, Middlesex, England   4. Isabel de Lewknor,   b. of South Mimms, Middlesex, England
  Family ID	F2639	Group Sheet  |  Family Chart
  Last Modified	30 Jun 2026

  
  

• Notes

  RESEARCH_NOTES: 1. “Royal Ancestry: A Study in Colonial & Medieval Families,” Douglas Richardson (2013): “THOMAS DE LEWKNOR, Knt., of South Mimms, Middlesex, Horstead Keynes, Broadhurst (in Horsted Keynes), Iteford, Selmeston, and Mankseys (in Pevensey Marsh), Sussex, Greatworth, Charwelton, Cosgrove, Puxley (in Passenham), and Tiffield, Northamptonshire, born about 1270-1 (aged 24 or 25 in 1295). He married SIBYL ___. They had two sons, Roger, Knt., and John, and two daughters, Pernel and Isabel. In 1310 he was going on a pilgrimage beyond the seas. In 1311 he was pardoned for abducting Henry, son of Agnes de Frowick. In 1312 he and his heirs received a grant of free warren in his demesne lands at Horsted Keynes, Broadhurst, Iteford, Selmeston, Mankseye, South Mimms, and Greatworth. He presented to the church of Greatworth, Northampstonshire in 1315 and 1317. SIR THOMAS DE LEWKNOR died shortly before 22 March 1336, survived by his wife. Bridges Hist. & Antiqs. of Northamptonshire 1 (1791): 125. Berry County Gens.: Sussex Fams. (1830): 130 (Lewknor ped.). C.P.R. 1307-1313 (1894): 231, 384. C.C.R. 1333-1337 (1898): 691-692. Year Books of Edward III Years XVII & XVIII 10 (Rolls Ser. 31b) (1903): 584-595. Year Books of Edward II 2 (Selden Soc. 19) (1904): 162-163 (abduction suit). Wrottesley Peds, from the Plea Rolls (1905): 432. Lists of Inq. ad Quod Damnam 2 (PRO Lists and Indexes 22) (1906): 666. Feudal Aids 4 (1906): 20; 5 (1908): 45, 132; 6 (1920): 568. C.Ch.R. 3 (1908): 201. Cal. IPM 6 (1910): 367; 8 (1913): 21-22. Comber Sussex Gens. 3 (1933): 148-158 (sub Lewknor). VCH Middlesex 5 (1976): 282.” 2. “Royal Ancestry: A Study in Colonial & Medieval Families,” Douglas Richardson (2013): “JOAN DE KEYNES, daughter and heiress. She married before 1271 ROGER DE LEWKNOR (or LEUKENORE), Knt., of South Mimms, Middlesex, Mendlesham, Suffolk, and Little Rayne, Essex, and, in right of his wife, of Greatworth, Northamptonshire, and Horsted Keynes, Selmeston, and Iteford, Sussex, Sheriff of Surrey and Sussex, 1289-90, son and heir of Nicholas de Lewknor, Knt., of South Mimms, Middlesex, Mendlesham, Suffolk, and Little Rayne, Essex, Keeper of the Wardrobe, Justice of Forest, Justice to the Jews. He was born about 1244-6 (aged 24 or 26 in 1268). They had one son, Thomas, Knt. In 1265, after the Battle of Evesham, he and his father were involved in the seizure of property in Hertfordshire, Middlesex, and Surrey, mostly owned by London citizens who supported Simon de Montfort and his party. He presented to the church of Greatworth, Northamptonshire in 1272. He was going abroad in 1272, as a knight of Thomas de Clare. He and his wife, Joan, were defendants in a fine for the manor of Selmeston. Sussex in 1276. SIR ROGER DE LEWKNOR died shortly before 24 Sept. 1295. Bridges Hist. & Antiqs. of Northamptonshire 1 (1791): 125. Berry County Gens.: Sussex Fams, (1830): 130 (Lewknor ped.). Sussex Arch. Colls. 3 (1850): 89-102; 63 (1922): 181-202. List of Sheriffs for England & Wales (PRO Lists and Indexes 9) (1898): 135. Year Books of Edward III: Years XVII & XVIII 10 (Rolls Ser. 31b) (1903): 584-595. Cal. IPM 1(1904): 211-212; 3 (1912): 179-180. Wrottesley Peds. from the Plea Rolls (1905): 432. Feudal Aids 5 (1908): 128. Comber Sussex Gens. 3 (1933): 148-158 (sub Lewknor). VCH Middlesex 5 (1976): 282. VCH Northampton 5 (2002): 77-98.”