General Notes

REFN: 6623AN
REFN: P1824
William De Ferrers, 5th Earl of Derby (1193 - March, 1254), was an Engli
sh nobleman.
He was born in Derbyshire, England, the son of William De Ferrers, 4th Ea
rl of Derby and Agnes of Chester, a daughter of Hugh of Kevelioc, Ea
rl of Chester and Bertrada De Montfort. After doing homage to King Henry I
II, he had livery of Chartley Castle and other lands of his mother's inher
itance. He accompanied King Henry to France in 1230. He sat in parliame
nt in London in the same year.
Family and children
William Ferrers married Sibyl Marshal, one of the daughters and co-hei
rs of William Marshal, 1st Earl of Pembroke. They had seven daughters:
Agnes Ferrers (died May 11, 1290), married William De Vesci.
Isabel Ferrers (died before November 26, 1260), married (1) Gilbert Basse
t, of Wycombe, and (2) Reginald De Mohun
Maud Ferrers (died March 12, 1298), married (1) Simon De Kyme, and (2) Wil
liam De Vivonia, and (3) Amaury IX of Rochechouart.
Sibyl Ferrers, married (1) John De Vipont, and (2) Franco De Mohun.
Joan Ferrers (died 1267), married to:
John De Mohun;
Robert Aguillon
Agatha Ferrers (died May 1306), married Hugh Mortimer, of Chelmarsh.
Eleanor Ferrers (died October 16, 1274), married to:
William De Vaux;
Roger De Quincy, Earl of Winchester;
Roger De Leybourne, but had no issue
In 1238, he married Margaret De Quincy (born 1218), daughter of Roger De Q
uincy, Earl of Winchester and Helen of Galloway. Bizarrely, Margaret was b
oth the stepmother and stepdaughter of William's daughter, Eleanor. The ea
rl and Margaret had the following children:
Robert De Ferrers, 6th Earl of Derby, his successor. He married:
Mary De Lusignan, daughter of Hugh XI of Lusignan, Count of Angoulême, a
nd niece of King Henry III, by whom he had no issue;
Eleanor Basset, daughter of Ralph Basset, Lord Basset, by whom he had an o
nly son, John
William Ferrers obtained, by gift of Margaret, his mother, the manor of Gr
oby in Leicestershire, assuming the arms of the family of De Quincy. He ma
rried:
Anne le Despencer, daughter of Hugh le Despencer, 1st Baron le Despence
r; their son was William De Ferrers, 1st Baron Ferrers of Groby.
Eleanor, daughter of Matthew Lovaine.
Joan Ferrers (died 19 March 1309) married Thomas De Berkeley, 1st Baron Be
rkeley.
Agnes Ferrers married Robert De Muscegros, Lord of Deerhurst.
Elizabeth Ferrers, married to:
William Marshal, 2nd Baron Marshal;
Prince Dafydd ap Gruffydd
He suffered from gout from youth, and always traveled in a litter. He w
as accidentally thrown from his litter while crossing a bridge, and di
ed of the resulting injuries. William De Ferrers is buried at Merevere Abb
ey, Warwickshire, England. His widow died on March 12, 1280.
Between 1247 AND 1254 5th Earl of Derby
He was born in Derbyshire, England, the son of William de Ferrers, 4th Ea
rl of Derby and Agnes of Chester, a daughter of Hugh of Kevelioc, Ea
rl of Chester and Bertrade de Montfort. After doing homage to King Henry I
II, he had livery of Chartley Castle and other lands of his mother's inher
itance. He sat in parliament in London in the same year. Ferrers married S
ybil Marshal, one of the daughters and co-heirs of William Marshal, Ea
rl of Pembroke. They had seven daughters.
In 1238, he married Margaret de Quincy (born 1218), daughter of Roger de Q
uincy, Earl of Winchester and Helen of Galloway. Bizarrely, Margaret was b
oth the stepmother and stepdaughter of William's daughter, Eleanor.
He suffered from gout from youth, and always traveled in a litter. He w
as accidentally thrown from his litter while crossing a bridge, and di
ed of the resulting injuries. William de Ferrers is buried at Merevere Abb
ey, Warwickshire, England. His widow died on March 12, 1280.