Joan d'Anguillon, the Elder

Primary Sources

1256 Aug. 30. Westminster.
Pardon to Robert Agoylun and Joan de Mohun, late the wife of John de Mohun, for intermarrying without the king's licence, as the said Robert has made fine by 200 marks with Peter de Chauvent, to whom the king had granted her marriage.
Source: Calendar of the patent rolls, preserved in the Public Record Office : Henry III, 1216-1272, Page 495

Joan (died 1267) married (1) Sir John de Mohun, of Dunster (died 1253) and (2) as his first wife Sir Robert Aguillon, of Addington.

www.findagrave.com

Joan de Ferrers
BIRTH 1233
Derby, Derby Unitary Authority, Derbyshire, England
DEATH Oct 1267 (aged 33–34)
Addington, London Borough of Croydon, Greater London, England
BURIAL
St. Mary the Blessed Virgin Churchyard
Addington, London Borough of Croydon, Greater London, England
MEMORIAL ID 86353468

Joan was the daughter of William de Ferrieres, 5th Earl of Derby and Sibyl Marshal, daughter of William Marshal, 4th Earl of Pembroke and Isabel de Clare.
Joan first married Sir John I de Mohun of Dunster, son of Reynold (Reginald) II de Mohun Lord of Dunster and Hawise or Avice Fitzgeoffrey.
Joan also married Sir Robert de Aguillon of Watton & Perching, son of Sir Robert de Aguillon of Watton & Addington and Margaret (Margery).

Family Members
Parents
William de Ferrers
1193–1254
Sibyl Marshal
1201–1245

Spouses
Robert d'Aguillon
unknown–1286
John I de Mohun

Siblings
Agnes de Ferrieres
1224–1290
Isabelle de Ferrers
1226–1260
Maud "Matilda" de Ferrers Rochechouart
1230–1298
Eleanor de Ferrieres
1232–1274

Half Siblings
Joan Ferrers Berkeley
unknown–1309
Robert de Ferrers
1239–1279
William de Ferrers
1240–1288
Elizabeth Marshall de Ferrers Gruffydd
1240–1297

Children
Isabel Aguillon Bardolf
1258–1323