Biography of William Lucy 1404-1460
Around 1404 William Lucy was born.
Before 1424 William Lucy (age 20) and Margaret Neville (age 15) were married. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
After 05 May 1426 [his former wife] Margaret Neville (age 18) died.
Before 1434 Henry Grey 3rd or 6th Baron Grey of Codnor (age 29) and [his future sister-in-law] Margaret Percy Baroness Grey Codnor (age 24) were married. She by marriage Baroness Grey of Codnor. She a great x 5 granddaughter of King Henry III of England. 
Before 05 May 1434 William Lucy (age 30) and Elizabeth Percy (age 29) were married. She a great x 5 granddaughter of King Henry III of England.
In or before 1439 [his former brother-in-law] Thomas Neville (age 31) and Elizabeth Beaumont (age 38) were married. They were half second cousin once removed. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great x 5 granddaughter of King Henry III of England. 
Before 05 Jan 1442 [his former brother-in-law] John Neville 1st Baron Neville of Raby (age 32) and Anne Holland Countess Douglas and Avondale were married. She the daughter of John Holland 2nd Duke Exeter (age 46) and Anne Stafford Duchess Exeter. They were second cousins. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great x 2 granddaughter of King Edward III of England. 
In 1455 William Lucy (age 51) and Margaret Fitzlewis (age 16) were married. The difference in their ages was 35 years.
On 28 Sep 1455 [his wife] Elizabeth Percy (age 50) died.
On 22 Feb 1459 [his former brother-in-law] Thomas Neville (age 52) died at Brancepeth, County Durham.
On 20 Nov 1459 [his former brother-in-law] John Neville 1st Baron Neville of Raby (age 49) was created 1st Baron Neville Raby. Anne Holland Countess Douglas and Avondale by marriage Baroness Neville Raby.
On 10 Jul 1460 the Yorkist army led by the future King Edward IV of England (age 18) and including Richard "Kingmaker" Neville Earl Warwick, 6th Earl Salisbury (age 31), Archbishop George Neville (age 28), William Neville 1st Earl Kent (age 55), Edward Brooke 6th Baron Cobham (age 45) and John Scrope 5th Baron Scrope of Bolton (age 22) defeated the Lancastrian army at the 1460 Battle of Northampton.
Edmund Grey 1st Earl Kent (age 43) had started the day as part of the Lancastrian army but did nothing to prevent the Yorkist army attacking.
King Henry VI of England and II of France (age 38) was captured.
Humphrey Stafford 1st Duke of Buckingham (age 57) was killed. His grandson Henry Stafford 2nd Duke of Buckingham (age 5) succeeded 2nd Duke of Buckingham, 7th Earl Stafford, 8th Baron Stafford.
John Talbot 2nd Earl of Shrewsbury (age 42) was killed. His son John Talbot 3rd Earl of Shrewsbury (age 11) succeeded 3rd Earl of Shrewsbury, 3rd Earl Waterford, 8th Baron Furnivall, 12th Baron Strange Blackmere, 9th Baron Talbot.
Thomas Percy 1st Baron Egremont (age 37) was killed.
John Beaumont 1st Viscount Beaumont (age 50) was killed. His son William Beaumont 2nd Viscount Beaumont (age 22) succeeded 2nd Viscount Beaumont, 7th Baron Beaumont.
William Lucy (age 56) was killed apparently by a member of the Stafford family who wanted his wife [his wife] Margaret Fitzlewis (age 21).
Thomas Tresham (age 40) fought.
William Beaumont 2nd Viscount Beaumont (age 22) and William Norreys (age 19) were knighted.
Thomas "Bastard of Exeter" Holland was executed following the battle.
The battle was fought south of the River Nene [Map] in the grounds of Delapré Abbey.
Chronicle of Gregory 1460. 10 Jul 1460 And there they mete with the kynge and foughte manly with the kyngys lordys and mayny, but there was moche favyr in that fylde unto the Erle of Warwycke (age 31). And there they toke the kynge (age 38), and made newe offycers of the londe, as the chaunceler and tresyrar and othyr, but they occupy de not fo[r]thewith, but abode a seson of the comyng of Duke of York (age 48) owte of Irlonde. And in that fylde was slayne the Duke of Bokyngham (age 57), stondyng stylle at hys tente, the Erle of Schrovysbury (age 42), the Lord Bemond (age 50), and the Lord Egremond (age 37), with many othyr men. Ande many men were drownyd by syde the fylde in the revyr at a mylle. And that goode knyght Syr Wylliam Lucy (age 56) that dwellyd besyde Northehampton hyrde the gonne schotte, and come unto the fylde to have holpyn the kynge, but the fylde was done or that he come; an one of the Staffordys was ware of hys comynge, and lovyd that knyght ys wyffe (age 21) and hatyd hym, and a-non causyd hys dethe.
On 04 Aug 1466 [his former wife] Margaret Fitzlewis (age 27) died.
Around 1487 Thomas Burgh and [his former wife] Elizabeth Percy were married. They were third cousin once removed. He a great x 4 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry III of England. 
Richard de Vere and Margaret Percy Baroness Grey Codnor were married. He the son of Richard de Vere 11th Earl of Oxford and Alice Sergeaux Countess Oxford. They were third cousin once removed. She a great x 5 granddaughter of King Henry III of England. 