In 1195 he had been granted the Manor of Thurrock in Essex which later became known as Grays Thurrock (or simply Grays), which he bought from Isaac the Jew and his son Josce. To commemorate this connection, on 11 June 2013 (the 808th anniversary of the charter), a green Thurrock heritage plaque was unveiled to de Grey. Before 1201 he was also granted the Manor of Codnor, Derbyshire, and in 1216 was also granted by King Henry III of England the Manor of Grimston in Nottinghamshire.
Marriage and issue
Around 1199 he married at Thurrock, Essex, Isolda Bardolf (Hoo, Kent, c. 1168 - bef. 18 June 1246), also known as Iseaude, sister and co-heiress of Robert Bardolf of Codnor in Derbyshire, and daughter of Hugh Bardolf of Codnor, Derbyshire (son of Hugo Bardol, born in 1125), and Isobel Aquillion, by whom he had these sons:
Hugh de Grey (born Chillingham, Northumberland, c. 1203), father of John de Grey, born in Scotland, and grandfather of Thomas de Grey of Heton[citation needed] (Heton, Northumberland, circa 1266 - Angus, Scotland, 1310), whose son Thomas (circa 1297 - bef. 12 March 1343/1344) was father of Thomas de Grey The Chronicler who was taken prisoner by the Scots at Bannockburn and who was the ancestor of all three creations of the Earls of Tankerville, and the Earls Grey
After his death his widow remarried Reynold de Meurdre.
Sources
L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), p.136.
G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, p.89.
The Peerage of England: Containing a Genealogical and Historical Account of ...Vol. 2 By Arthur Collins