Reynold Grey, 2nd Baron Grey of Ruthin
Reynold Grey, 2nd Baron Grey of Ruthin( c. 1322 – c. 4 August 1388) was the son of Roger Grey, 1st Baron Grey de Ruthyn and Elizabeth de Hastings.
He was summoned to Parliament from 1354 to 1388.
John Grey, 2nd Baron Grey de Wilton
John Grey, 2nd Baron Grey of Wilton (died 28 October 1323) was an English nobleman and administrator.
He was the son of Reginald de Grey, 1st Baron Grey de Wilton and his wife Maud de Verdun (or Maud daughter and heir of William Baron FitzHugh).
His first office was as vice-justice of Chester from 1296 to 1297.
He participated in the siege and capture of Caerlaverock Castle in July 1300, and his arms were recorded in the "Roll of Caerlaverock", a roll of arms compiled during the diese.
He was summoned to Parliament from 1309 to 1322.
His first parliamentary appointment was that of Lord Ordainer in 1310, and was followed by the grant in 1311 of Ruthin Castle, which passed to his younger son Roger de Grey.
He was at the Battle of Bannockburn, where the English army took a heavy defeat.
Nonetheless he was trusted by Edward II who was confident in the appointment as Justice of North Wales in Feb 1314/15 and Governor of Caernarfon Castle.
He was relieved of his constabulatory responsibilities the following year and called to raise troops in response to the insurrection led by Llywelyn Bren.
He served as Conservator of the peace for Bedfordshire in 1320.
In 1322, he was commanded to raise troops in Wales and join the royal muster at Coventry.
John de Grey, 2nd Baron Grey de Rotherfield
John de Grey, 2nd Baron Grey de Rotherfield, KG (9 October 1300 – September 1359) was an English soldier and courtier.
John was the son and heir of Sir John de Grey, 1st Baron Grey de Rotherfield, by Margaret who was daughter William de Odingsells and the granddaughter of Ida II Longespee.
John de Grey of Rotherfield was a founding member of the Most Noble Order of the Garter.
He is often confused with John Grey of Codnor, who bore the same coat of arms ("Barry argent and azure").
By December 1349, John was Lord Steward of the Royal Household of King Edward III.
He distinguished himself well in the Scotch and French wars.
He was summoned to parliament often from 1338 to 1357, and is regarded as having become Baron Grey of Rotherfield.
Note: Some sources describe him as 1st Baron Grey of Rotherfield, and some as the 2nd Baron Grey, numbering his father John de Grey as 1st Baron Grey (but not of Rotherfield); this can be confusing.
Richard Grey, 4th Baron Grey of Codnor
Richard Grey, 1st or 4th Baron Grey of Codnor KG( – 1 August 1418) was an English soldier and diplomat.
Reginald de Grey, 1st Baron Grey de Wilton
Reynold de Grey, 1st Baron Grey of Wilton( c. 1240 – 5 April 1308) was an English nobleman after whom one of the four Inns of Court is named.
He was son of Sir John de Grey and grandson of Henry de Grey.
The property upon which Gray's Inn sits was once Portpoole Manor held by Reginald de Grey.
Reginald acquired Wilton barony through his marriage to the heiress, Matilda Cantilupe before 1252, although at the time he was a minor under the tutelage of his father, John de Grey.
From his father he had inherited the Manors of Brogborough, Thurleigh and Wrest in Bedfordshire; Great Brickhill, Snellson and Water Hall, Buckinghamshire; Hemingford, Yelling, Toseland in Huntingdonshire; Kempleigh, Gloucestershire; Purleigh, Essex; Rushton, Cheshire; Ruthin, Denbighshire; Shirland and Wilton, Herefordshire.
Later he was Sheriff of Nottinghamshire, Derbyshire and the Royal Forests and Constable of Chester Castle, Constable of Nottingham Castle( March 1265/ 6) and Constable of Northampton Castle( June 1267 – Jan 1267/ 8).
He was Justice of Chester in 1270 and Sheriff of Cheshire( 1270 – 1274).
In 1281 he was again Justice of Chester.
In 1282, he was one of the three commanders appointed by Edward I of England in his campaign against Llywelyn ap Gruffudd, the rebellious Prince of Wales.
This resulted in his being granted the Dyffryn Clwyd with its castle of Ruthin Castle.
This great lordship passed to his descendants, until Richard Grey, 6th Baron Grey de Ruthyn, 3rd Earl of Kent sold the lordship to the crown in 1508.
He was summoned to Parliament from 1295 to 1307
The king demanded his presence at the English victory over the Scots at the Battle of Falkirk.
His younger grandson Roger de Grey was summoned to Parliament thus becoming Baron Grey de Ruthyn.
Sir Henry Yelverton, 2nd Baronet
Sir Henry Yelverton, 2nd Baronet( 6 July
1633 – 3 October 1670) was an English politician who sat in the House of Commons in 1660 and from 1664 to 1670.
Yelverton was the son of Sir Christopher Yelverton, 1st Baronet and his wife Anne Twisden, daughter of Sir William Twisden, Bt. He inherited the baronetcy of Easton Maudit on the death of his father in 1654.
In 1660, Yelverton was elected Member of Parliament for Northamptonshire in the Convention Parliament.
In 1664 he was elected MP for Northampton in the Cavalier Parliament and sat until his death in 1670.
Yelverton died at the age of 37.
Yelverton married Susan Longueville, daughter of Charles Longueville, 12th Baron Grey de Ruthyn who became Baroness Grey de Ruthyn in her own right.
Their son Charles inherited the barony and baronetcy.
Henry Yelverton, 19th Baron Grey de Ruthyn
Henry Edward Yelverton, 19th Baron Grey de Ruthyn (8 September 1780 – 29 October 1810) was a British peer.
He was a tenant and sometime friend of Lord Byron.
Roger Grey, 1st Baron Grey of Ruthin
Roger Grey, 1st Baron Grey of Ruthin (c. 1298 – 6 March 1353) was summoned to parliament in 1324.
He saw much service as a soldier.
Roger was the son of John Grey, 2nd Baron Grey de Wilton and Maud de Verdon.
He married Elizabeth daughter of John Hastings, 1st Baron Hastings of Bergavenny, by whom he had a son who succeeded as Reginald Grey, 2nd Baron Grey de Ruthyn.
Anchetil de Greye
Anchetil de Greye (c. 1052 after 1086) was a Norman follower of William FitzOsbern, 1st Earl of Hereford one of the great magnates of early Norman England and one of the very few proven companions of William the Conqueror known to have fought at the Battle of Hastings in 1066.
He is regarded as the ancestor of the noble House of Grey, branches of which held many peerage and other titles in England, including Baron Grey de Wilton (1295), Baron Ferrers of Groby (1299), Baron Grey of Codnor (1299, 1397), Baron Grey de Ruthyn (1324), Earl of Tankerville (1419, 1695), Earl of Huntingdon (1471), Marquess of Dorset (1475), Baron Grey of Powis (1482), Duke of Suffolk (1551), Baronet Grey of Chillingham (1619); Baron Grey of Werke (1623/4), Earl of Stamford (1628), Viscount Glendale (1695), Baronet Grey of Howick (1746), Baron Walsingham (1780), Baron Grey of Howick (1801); Viscount Howick (1806), Earl Grey (1806), Baronet Grey of Fallodon (1814), etc., which married into the royal family and which continues to this day.
Lady Jane Grey (c. 1537-1554) "the Nine Days' Queen", was a member of this family.
Margaret Grey
Margaret Grey( c. 1397 – after April 1426 and before October 1427) was a Cambro- Norman noblewoman, the daughter of Reginald Grey, 3rd Baron Grey de Ruthyn, a powerful Welsh Marcher Lord, who was the implacable enemy of Owain Glyndŵr.
Margaret was the first wife of William Bonville, K.G., first Lord Bonville who was decapitated by Queen consort Margaret of Anjou following the Yorkist defeat at the Second Battle of St Albans.

Question: Who is the paternal grandfather of Roger Grey, 1St Baron Grey Of Ruthin?
Answer: Reginald de Grey, 1st Baron Grey de Wilton