Sources |
- [S25458533593] Complete Peerage, G E Cockayne et al, (St. Catherine Press, 29 Great Queen St, Kingsway, London 1910 on), Winchester art, Vol XII/2, p. 745 seq.
- [S25458533641] II: Domesday Descendants, K S B Keats-Rohan, (Boydell Press, 2002), Peverel, Adelicia, p. 1068.
- [S25458533646] English Baronies, I J Sanders, (OUP, 2nd ed, 1963), Bourn, Cambridgeshire Barony, p. 19.
- [S25458533684] Tim Powys-Lybbe.
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