William de Percy (died 1245), sixth feudal baron of Topcliffe, was an English noble. His father Henry de Percy was a son of

Joscelin of Louvain Joscelin of Louvain, also spelled Jocelin de Louvain and Jocelyn of Leuven, (1121/36–1180) was a nobleman from the Duchy of Brabant who settled in England after his half-sister Adeliza of Louvain married King Henry I. There Joscelin married an ...

and Agnes de Percy, while his mother Isabel de Brus was the daughter of Adam II de Brus, 3rd Lord of Skelton and great-granddaughter of

Robert de Brus, 1st Lord of Annandale Robert I de Brus, 1st Lord of Annandale (–1141) was an early-12th-century Anglo-Norman lord and the first of the Bruce dynasty to hold lands in Scotland. A monastic patron, he is remembered as the founder of Gisborough Priory in Yorkshire, En ...

, belonging to an English branch of the same family that yielded

Clan Bruce Clan Bruce ( gd, Brùs) is a Lowlands Scottish clan. It was a Royal House in the 14th century, producing two kings of Scotland (Robert the Bruce and David II of Scotland), and a disputed High King of Ireland, Edward Bruce. Origins The surname ' ...

of Scotland. He died in 1245 and was buried at

Sawley Abbey Sawley Abbey was an abbey of Cistercian monks in the village of Sawley, Lancashire, in England (and historically in the West Riding of Yorkshire). Created as a daughter-house of Newminster Abbey, it existed from 1149 until its dissolution in 1 ...

Marriages and issue

He married firstly married Joan, daughter of William de Briwere and Beatrice de Vaux. They are known to have had the following known issue. *Anastasia de Percy, married Ralph FitzRandolph, had issue. *Joan de Percy, married the lord of Farlington. *Agnes de Percy, married

Eustace de Balliol Eustace de Balliol (or Eustace de Helicourt) (died c. 1209) was the cousin and successor of Bernard II de Balliol, lord of Balliol and Barnard Castle. He was the lord of Château de Hélicourt, Hélicourt in Picardy, an estate near the chief seat ...

, had issue. *Alice de Percy, married Ralph Bermingham, had issue. William married secondly Ellen, daughter of

Ingram de Balliol Ingram de Balliol (died 1244), Lord of Redcastle and Urr in Scotland, Dalton in England and Tours-en-Vimeu in France was an Anglo Scoto-French noble. He was a younger son of Eustace de Balliol and Petronilla FitzPiers. Ingram was a follower ...

and Agnes de Berkeley, they are known to have had the following known issue. *Henry de Percy, Master of Topcliffe (father of

Henry Percy, 1st Baron Percy Henry de Percy, 1st Baron Percy of Alnwick (25 March 1273 – October 1314) was a medieval English magnate. He fought under King Edward I of England in Wales and Scotland and was granted extensive estates in Scotland, which were later retak ...

of Alnwick) * Ingram de Percy, married Joan de Fortibus, without issue. *William de Percy, Canon of St. Peter's, York *Walter de Percy *Galfrid de Percy *Alan de Percy *Josceline de Percy *Ellen de Percy

References

*Sanders, I.J. English Baronies: A Study of their Origin and Descent 1086-1327, Oxford, 1960. {{DEFAULTSORT:Percy, William (died 1245) Year of birth unknown 1245 deaths

William William is a male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Engl ...