Sources |
- [S160] History of the House of Percy, (Name: Name: London, 1902;;).
Has him s. of William de Percy & Alice de Ros
- [S133] G.E. Cockayne, Complete Peerage, (Name: Name: St. Catherine Press, 29 Great Queen St, Kingsway, W.C. 1959;;).
Has him s. of Alan de Percy & Emma de Gant
- [S116] Borthwick, Richard.
Has him s. of Alan de Percy & Emma de Gant
- [S204] large-G675.FTW, line 132A pp 116-117.
Undisclosed in 1031
- [S203] Gregory Strong, Ancestory.com Individual Tree - Kings & Presidents.
- [S201] Leisure Guy, leisureguy@icloud.com, "KinshipTree - Historical Family Database", (Name: Name: http://kinshipcove.com Genealogy Research: Common Historical Roots In South Texas;;).
- [S160] History of the House of Percy, (Name: Name: London, 1902;;).
4th Baron, no mention of other titles.
- [S133] G.E. Cockayne, Complete Peerage, (Name: Name: St. Catherine Press, 29 Great Queen St, Kingsway, W.C. 1959;;).
3rd Baron.
- [S116] Borthwick, Richard.
- [S160] History of the House of Percy, (Name: Name: London, 1902;;).
d 1168, no place
- [S133] G.E. Cockayne, Complete Peerage, (Name: Name: St. Catherine Press, 29 Great Queen St, Kingsway, W.C. 1959;;).
d. prob 1174/75, no place
- [S116] Borthwick, Richard.
d bef 1175
- [S204] large-G675.FTW.
- [S160] History of the House of Percy, (Name: Name: London, 1902;;).
- [S133] G.E. Cockayne, Complete Peerage, (Name: Name: St. Catherine Press, 29 Great Queen St, Kingsway, W.C. 1959;;).
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