Family: Roger de Quency/Helen de Galloway (F329)
m. Bef 1234-
Father | Male
Roger de Quency, 2nd Earl of Winchester
Born Abt 1195 Died 25 Apr 1264 Buried Married Bef 1234 [1] Other Spouse Maud de Bohun | F328 Married Abt 1250 Other Spouse Eleanor Ferrers | F330 Married Abt 1252 Father Saher de Quency, 1st Earl of Winchester | F269 Group Sheet Mother Margaret de Beaumont | F269 Group Sheet
Mother | Female
Helen de Galloway
Born Abt 1208 Died Aft 21 Nov 1245 Buried Father Alan de Galloway, Lord of Galloway | F549 Group Sheet Mother Margaret of Huntingdon | F549 Group Sheet
Child 2 | Female
Margaret de Quincy
Born Abt 1218 Winchester, Hampshire, England 
Died 12 Mar 1283/84 Buried Spouse William de Ferrers, 5th Earl of Derby | F999 Married 1238
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Sources - [S179] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed, G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, (Name: Alan Sutton Publishing; Location: Gloucester, U.K.; Date: 2000;).
- [S179] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed, G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, (Name: Alan Sutton Publishing; Location: Gloucester, U.K.; Date: 2000;).