Complete Peerage, Location: Mid-Continent Library, Independence @ d of Sir Philip Basset & Hawise de Louvaine
The cited information was published by St. Catherine Press, 29 Great Queen St, Kingsway, W.C., 1959 (Ref: d of Sir Philip Basset & Hawise de Louvaine) The author/originator was G.E. Cockayne.