Jocelin de Louvain, 4th Baron Percy

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Joscelin "Barbatus" Percy (de Louvain)

Also Known As: "Barbatus"
Birthplace: Leuven, Vlaams Gewest, Belgium
Death: circa 1180 (52-61)
Egmanton, Nottinghamshire, England, United Kingdom
Place of Burial: Whitby, North Yorkshire, England, UK
Immediate Family:

Son of Godfrey I the Bearded, count of Louvain and Ida van Leuven
Husband of Agnes de Percy, Heiress of Percy
Father of Henry de Percy, VI; Eleanor de Percy; Alice de Percy; Joscelin de Percy; Maud de Percy and 3 others
Brother of Hendrik van Leuven; Adelicia of Louvain; Godfrey de Jonge van Leuven, II, Marquis of Antwerp, Duke of Lower Lorraine; Ida von Kleve; Albert IV de Namur and 1 other

Occupation: Half-brother of Queen Adela (second wife of Henry I), Comte de Brabant et de Louvain, Barbatus de Louvain
Managed by: Erica Howton
Last Updated:

About Jocelin de Louvain, 4th Baron Percy

about - Joscelin of Louvain Wikipedia From Wikipedia, the free encyclopedia

Joscelin of Louvain (1121–1180) was a nobleman of the Duchy of Brabant who married an English heiress, Agnes de Percy (d.1203), one of the two co-heiresses of William II de Percy (d.1174/5), 3rd feudal baron of Topcliffe, Yorkshire' and settled in England. He and his descendants, later created Earls of Northumberland, took the name Percy.

Joscelin was given lands at Petworth, by William d'Aubigny, 1st Earl of Arundel. William d'Aubigny had married Adeliza of Louvain, Joscelin’s half-sister, and widow of Henry I of England.


has Joscelin as the son of an unknown mistress, due to dates of marriages of Godfried and of Joscelin.


He was a son of Godfrey I of Leuven either by his second wife Clementia of Burgundy or by a mistress.


Joscelin and Agnes had at least seven children:

  • Henry de Percy (d.1198), 4th feudal baron of Topcliffe, who predeceased his mother and married Isabel de Brus, daughter of Adam de Brus (d.1196). He was survived by a son William III de Percy (1197-1245), who inherited from his grandmother Agnes de Percy half the Percy lands.[4]
  • Richard de Percy (d.1244), who inherited half of his mother's lands, having been predeceased by his elder brother. He himself died without issue when his heir was his brother's son William III de Percy (1197-1245), who thus re-gained the whole of the Percy lands.[4] He was a Magna Carta surety
  • Joscelin
  • Radulph, went to France
  • Eleanor
  • Maud (born c. 1164, date of death unknown), married John de Daiville[9]

Joscelin "Barbatus" Percy formerly Leuven aka Louvain Born 1121 in Louvain [Belgium] ANCESTORS ancestors Son of Godefroi (Louvain) de Louvain and Clemencia (Bourgogne) de Bourgogne [uncertain] Brother of Baldwin (Flandre) Fleming [half], Adeliza (Brabant) of Louvain [half], Ida de Lorraine [half] and Godefroi (Lorraine) de Louvain [half] Husband of Agnes (Percy) Leuven — married after 1154 [location unknown] DESCENDANTS descendants Father of Robert (Percy) Sutton, Joscelin (Percy) de Percy, Henry (Percy) de Percy, Eleanor (Percy) de Percy, Adelicia (Percy) de Percy and Richard (Percy) de Percy Died before 1180 in Egmanton, Nottinghamshire, , England

Profile managers: Jeffrey Steele and Becky Bierbrodt Profile last modified 25 Apr 2020 Created 24 Apr 2012

Joscelin of Louvain (1121–1180) took his wife's surname as part of the marriage deal.

Alias: Jocelin de Louvain; Jocelyn of Leuven

Parents Father: Godfrey I, Count of Louvain

Mother: (disputed) Clementia of Burgundy or mistress

Marriage m. Agnes de Percy (d.1203). Issue:

Henry (d.1198) m. Isabel de Brus Richard (c. 1170-1244), 5th Baron Percy Joscelin Radulph Eleanor Maud (b.c. 1164) Lucy Sources ROYAL ANCESTRY by Douglas Richardson Vol. IV, page 345 Collins, A. & Brydges, E. (1812). "Percy, Duke of Northumberland." Collins's Peerage of England Genealogical, Biographical, and Historical, (Vol. II. pp. 224-225). London: F.C. and J. Rivington, Otridge and Son. Google Books.

Wikipedia: Joscelin of Louvain

Joscelin de Louvain
BIRTH 1120
DEATH 1180 (aged 59–60)
Egmanton, Newark and Sherwood District, Nottinghamshire, England
Whitby Abbey
Whitby, Scarborough Borough, North Yorkshire, England
MEMORIAL ID 93184661

Family Members
Godfrey I Duke of Brabant

Agnes de Percy

Adeliza of Louvain
Ida de Lorraine von Kleve
Godfrey II de Louvain

Henry de Percy
Richard de Percy

view all 30

Jocelin de Louvain, 4th Baron Percy's Timeline

Leuven, Vlaams Gewest, Belgium
Age 28
inherited from sister, Adelaide de Louvain, the Petworth estate in Sussex
Whitby, North Yorkshire, England, United Kingdom
Whitby, Northumberland, England
Of, Whitby, Northumberland, England
Whitby, North Yorkshire, England
Whitby, Yorkshire, England
Whitby, Yorkshire, England
Northumberland - son of Sir Henry