Reynold de Grey, 1st Lord (Baron) Grey (of Wilton), so created by writ of summons to Parliament 24 June 1295 (although the assembly in question is not now recognised as a bona fide Parliament; he had, however, attended the assembly called a full Parliament of 29 May 1290); held the Manors of Brogborough, Thurleigh and Wrest, Beds; Great Brickhill, Snellson and Water Eaton or Waterhall, Bucks; Hemingford, Toseland and Yelling, Hunts; Kempleigh, Glos; Purleigh, Essex; Rushton, Cheshire; Ruthin, Denbighs; Shirland and Wilton, Herefs; Sheriff of Notts and Derbys and Constable of Nottingham Castle March 1265/6; Constable of Northampton Castle June 1267-Jan 1267/8; Justice of Chester, Constable of Chester Castle and Sheriff of Cheshire 1270-74; Justice of Chester 1281; granted 1282 Ruthin Castle; present at English victory over Scots at Falkirk 1298. [Burke's Peerage]
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BARONY OF GREY OF WILTON (I)
SIR REYNOLD DE GREY, of Ruthin, co. Denbigh, Wilton, co. Hereford, Shirland, co. Derby, Rushton, co. Chester, Purleigh, Essex, Toseland, Hemingford, and YeIling, Hunts, Water Eaton or Waterhall, Snellson, and Great Brickhill, Bucks, Thurleigh, Wrest, and Brogborough, Beds, and Kempley, co. Gloucester, son and heir of Sir John DE GREY, of Shirland (who died shortly before 18 March 1265/6) by his 2nd wife, Emma, apparently widow of John De SEGRAVE, who died s.p. 1230, and daughter of Roger DE CAUZ, by Nichole, daughter and heir of Bartholomew DE LEIGH. In 1257 he had a grant to him and his heirs of a weekly market at his manor of Wilton. He was appointed Sheriff of cos. Notts and Derby, and Constable of Nottingham Castle, 18 Mar. 1265/6, in succession to his father, then recently dead. On 28 March 1266 he had livery of his father's lands, by special grace, his homage being respited. On 28 December 1266 he was ordered to deliver Nottingham Castle to Roger de Leyburne . He was Constable of Northampton Castle from 25 June 1267 to 30 January 1267/8, and justice of Chester, Constable of Chester Castle, and Sheriff of co. Chester, from 1270 to 16 October 1274. He was summoned for Military Service from 12 December 1274 to 8 July 1306, to attend the King at Shrewsbury, 28 June 1283, to attend the King at Salisbury, 26 January 1296/7, and to Parliament from 24 June 1295 to 26 August 1307, by writs directed Reginaldo de Grey, and, moreover, is recorded to have been present in pleno parliamento domini Regis on the morrow of Trinity 29 May 1290, with other magnates et proceres tunc in parliamento existentes, whereby he is held to have become LORD GREY. As Reginaldus de Grey dominus de Ruthyn he took pirt in the Barons' Letter to the Pope, 12 February 1300/1. In Jan. 1276/7 be was about to go to Wales on the King's service, and he was with the King in Wales in 1277 and 1282. On 14 November 1281 he was appointed justice of Chester and Keeper of co. Chester, of all the demesne lands of the King in that county, of the castles of Chester and Flint, and the cantreds of Englefield and Ros, &c., for 8 years from Michaelmas 1281, at a rent of 1,000 marks a year: he was reappointed 30 June 1290, for 9 years from Michaelmas following, at a rent of 727 marks 8s. On 15 June 1282 the King granted him seizin of the lands of Bromfield and Yale [co. Denbigh], during pleasure, and on 23 October following the castle of Ruthin, the cantred of Dyffryn Clwyd, and the lands that had belonged to Gwenllian de Lascy in the cantreds of Dyffryn Clwyd and Englefield, to hold in fee, by the service of three knights' fees. On 16 October 1294 he was about. to go to Wales. He was at the battle of Falkirk, 22 July 1298. On 26 May 1301 he did homage and fealty for the castle of Ruthin to Edward, Prince of Wales, at Kenilworth.
He married Maud, daughter and heir of Sir Henry DE LONGCIIAMP, of Wilton, co. Hereford. She died before 21 November 1302. He died 5 April 1308. [Complete Peerage VI:171-3, (transcribed by Dave Utzinger)]