William de Percy III Baron Percy 
William de Percy III was born in 1112.1 William de Percy III's father was William de Percy II Baron Percy and his mother was Alice de Ros. His paternal grandparents were Alan (Algernon) de Percy Baron Percy and Emma de Gaunt. He was an only child. He died in of Topcliffe. He was buried in Canon of York. 3rd/4th Baron..1 1 General Notes
[Johnson.FTW]
[1144734.FTW]
Custom Field:<_FA#> Founded Sallay Abbey.@@S005894@@@@S005967@@line 132A pp 116-117 living in 1031
REFN: 5082
[G675.ged]
On the Percies: The founder of the fami ly was a Danish chieftain,
Manfred, who died in 880. His son, Galfred, was a general of Rollo's in
Normandy. The next of importance would be William, who came with the
Conqueror , and who was the first Lord Percy. He died in 1097. The
descendants of his son, Alan, founded the Percies of Heyshott and
Willi am's son, Richard, founded the Percies of Dunsley. Of the Children
of William II, only daughters survived and of these only one had
children. She married Josceline de Lovain, brother of Adeliza, second
wife of Henry II. Josceline changed his name to Henry de Percy and the
line continued.
G.E.Cokayne--Com plete Peerage is a good source if you read the footnotes.
There may be other descents, but the following is a patrilineal
(father-to-
son-to-son) descent :
Lambert I C of Louvain (-1015) m. Gerberga of Lower Lorraine
Lambert II C o f Louvain (-1062) m. Oda of Lower Lorraine
Henry II C of Louvain (-1079) m. Ad elaide von Betuwe
Godfrey D of Brabant (-1139) = ??
Joscelin de Louvain (-118 0) m. Agnes de Percy
Henry de Percy (-1198) m. Isabel de Bruns
William de Per cy (-1245) m. Ellen de Balliol
Henry de Percy (1235-1272) m. Eleanor de Warenn e
Henry de Percy 1 B Percy (1273-1314) m. Eleanor de Arundel
Henry de Percy 2 B Percy (-1352) m. Idoine de Clifford
Henry de Percy 3 B Percy (-1368) m. Mar y of Lancaster
Henry de Percy 1 E Northumberland (1341-1408) m. Margaret de Ne ville
Henry Percy (1364-1403) "Hotspur"
Hope this helps.
William Addams Reit wiesner
wrei@@loc.gov
Schwennicke (ed.) Europaische Stammtafeln, iii, 710-712, list from
William de Percy, m. Emma de Port down to Henry de Percy m. Eleano r de
Poynings. However the third generation which you list is omitted. I.e. ,
the William who m. Adeliza de Clare is listed as son of Alan and Emma de
Gant.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- d.1096 in of Topcliffe
- b.1069 d.BEF. FEB 1135/36 in of Topcliffe
- b. in of St. John, Hampshire
- b. in of St. John, Hampshire
- d.1133
- b.1004 in of Gand, Flanders, Belgium d.1032 in Belgium
- b.1022 in of Gand, Flanders, Belgium d.> 1058
- b.1005 in of Flanders, Belgium
- b.1048 in of Alost, Flanders, Belgium d.1094
- b.BET. 960 - 970 d.06 Oct 1019
- b.1028 in of Flanders, Belgium d.1058
- b.~ 1076 in of Folkingham, Lincolnshire
- d.~ 1048
- b.1020 in of Montfort, Normandy, France d.1088
- b.1050 in of Montfort-Sur-, Risle, France
- b.1112 d.BET. 1168 - 1175 in of Topcliffe
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Details of William de Percy III's family with Alice de Clare
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