Katherine married Edmund (Grey), 1st Earl of Kent before Jan. 1458/59. Edmund died on 22 May 1490. [Group Sheet] [Family Chart]

1. Lady Elizabeth Grey died on 18 July 1472.

Notes:

He was taken by his grandfather, shortly after the death of Hotspur (his father), to Scotland, where he remained in the care of the Duke of Albany for about 10 years.

Died:
He was slain ex parte Regis at the first Battle of St. Albans.

Henry married Lady Eleanor Neville after Oct. 1414 in Berwick, Northumberland, England. [Group Sheet] [Family Chart]

Other Events:

• Hereditary Title: Lord Percy [courtesy title]
• Decoration: 23 April 1377; Knighthood
• Office: 30 July 1384; Warden of the East March
• Office: 12 April 1388; Warden of the East March [for 3 years]
• Decoration: Before 23 April 1388; Knight of the Order of the Garter (K.G.)
• Office: 6 June 1390; Warden of the West March
• Office: 16 Jan. 1392/93; Warden of the East March
• Office: 2 June 1396; Warden of the East March [for 10 years]
• Office: 12 Oct. 1399; Warden of the East March

Notes:

He first bore arms at the recapture of Berwick by his father, December 1378.

When travelling in Prussia in 1383 he hurried back to Flanders to take part in the expected fighting there in the Bishop of Norwich's "crusade," and in that year began his official work on the Border, as a commissioner to receive money due from the King of Scotland.

In 1385 he attended Richard II on his expedition into Scotland.

In May 1386 ("as Henry Percy the younger, whom the Scots call Haatspore") he was sent with a large force to Calais.

In August 1387 he was in command of a squadron at sea against the French.

Office:
In January 1390/1, being sent on some mission abroad—query, to Calais—he had licence to make his brother Ralph his deputy; he returned during the year.

Henry married Lady Elizabeth Mortimer. Elizabeth (daughter of Edmund (Mortimer), 3rd Earl of March and Philippa (Plantagenet), suo jure Countess of Ulster) was born on 12 Feb. 1370/71 in Usk, Monmouthshire, Wales. [Group Sheet] [Family Chart]

Other Events:

• Hereditary Title: 17 Oct. 1388; 4th Lord Neville [E., 1295]
• Hereditary Title: 29 Sept. 1397; 1st Earl of Westmorland [E., 1397]
• Decoration: circa 1403; Knight of the Order of the Garter (K.G.)

Notes:

Decoration:
In place of Edmund, Duke of York, who died 1 August 1402.

Ralph married Lady Joan Beaufort. Joan (daughter of John (Plantagenet), of Gaunt, 1st Duke of Lancaster and Katharine de Roet) died on 13 Nov. 1440 in Howden, Yorkshire, England; was buried in Lincoln Cathedral, Lincoln, Lincolnshire, England. [Group Sheet] [Family Chart]

Other Events:

• Will: 10 May 1440

Other Events:

• Hereditary Title: From May 1368 to 4 Dec. 1406; 4th Lord Percy [E., 1299]
• Hereditary Title: From 16 July 1377 to 4 Dec. 1406; 1st Earl of Northumberland [E., 1377]

Notes:

Hereditary Title:
He was created Earl of Northumberland at the Coronation of Richard II, 16 July 1377.

Henry married Hon. Margaret de Neville on 12 July 1358 in Brancepeth, Co. Durham, England. Margaret (daughter of Ralph (de Neville), 2nd Lord Neville and Alice de Audley) died in May 1372. [Group Sheet] [Family Chart]

Notes:

Died:
On the 11th, 12th, or 13th.

Other Events:

• Will: 1 May 1380
• Probate: 22 Jan. 1382

Notes:

Buried:
Afterwards he was taken to Wigmore, to which abbey he had been a liberal benefactor, having rebuilt the Abbey church.

Edmund married Philippa (Plantagenet), suo jure Countess of Ulster. Philippa (daughter of Lionel (Plantagenet), of Antwerp, 1st Duke of Clarence and Elizabeth (de Burgh), suo jure Countess of Ulster) was born on 16 Aug. 1355 in Eltham, Kent, England; was christened in in Eltham, Kent, England; died on 5 Jan. 1377/78; was buried in Wigmore, Herefordshire, England. [Group Sheet] [Family Chart]

Other Events:

• Will: 21 Nov. 1378
• Probate: 9 Feb. 1381

Other Events:

• Decoration: circa April 1360; Knighthood
• Decoration: 1369; Knight of the Order of the Garter (K.G.)
• Will: 31 Aug. 1386, Middleham, Yorkshire, England
• Hereditary Title: 5 Aug. 1367 – 17 Oct. 1388; 3rd Lord Neville [E., 1295]

Notes:

In October 1367, he had writs of livery of his father's lands in England and Scotland, after doing homage.

He was a captain under his father at the battle of Nevill's Cross, 17 October 1346.

Decoration:
After a skirmish near Paris.

Will:
With codicil at Newcastle, four days before his death.

Directs his burial at Durham with his 1st wife (cp. Hist. Dun. Script. Tres, loc. cit.), and mentions his younger son Thomas.

He was a benefactor of his father's chantry at Sheriff Hutton (Cal. Patent Rolls, 1367–70, page 366); the Friars Minors of Richmond (Idem, 1381–85, page 234); the Carthusian houses of Hull and Coventry (Cal. Close Rolls, 1377–81, page 229, and his will); Sherburn Hospital, co. Durham (Surtees, Hist. of Durham, volume i, page 287), and Durham Hall, Oxford (Cal. Patent Rolls, 1381–85, pages 239, 371–2). His munificent gifts to Durham Cathedral, including an alabaster foundation for the shrine of St. Cuthbert, made in London and shipped to Newcastle in cases, are detailed in Hist. Dun. Script. Tres, pages 135, 136.

John married Hon. Maud de Percy. Maud (daughter of Henry (de Percy), 2nd Lord Percy and Hon. Idoine de Clifford) died before 18 Feb. 1378/79; was buried in Durham Cathedral, Durham, Co. Durham, England. [Group Sheet] [Family Chart]

Other Events:

• Hereditary Title: 1st Duke of Lancaster
• Hereditary Title: King of Castile and Leon

John married Katharine de Roet on 13 Jan. 1396/97 in Lincoln Cathedral, Lincoln, Lincolnshire, England. Katharine (daughter of Sir Payne Roet, of Hainault) died on 10 May 1403 in Lincoln, Lincolnshire, England; was buried in Angel Choir, Lincoln Cathedral, Lincoln, Lincolnshire, England. [Group Sheet] [Family Chart]

Notes:

The Beaufort children were legitimated by papal bull in September 1396 and by royal patent the following February.