(en) Anthony Adolph, « The Ancestry of H.R.H. Catherine, Duchess of Cambridge » (consulté le ) : « Having found a few problems which I could not resolve I published a cautionary article, 'The Fairfax ancestry of the Duchess of Cambridge – a correction' in The Genealogists' Magazine, vol. 30, no. 10, June 2012, pp. 407–411. Thereafter I kept searching and in July 2013 I found a pedigree compiled by the Suffolk clergyman-genealogist Matthias Candler (1604–1663), preserved in Harleian Manuscript 6071 (p. 502/f. 249v) in the British Library. Taken straight from the family's own knowledge, it confirmed the line as shown below, and dispelled any shadow of doubt. »
archive.org
(en) Testamenta Eboracensia, vol. V, Durham, Andrews & Co, , 121–123 p. (lire en ligne), The will of Sir Thomas Fairfax of Walton, Knight
books.google.com
(en) John Burke, A genealogical and heraldic History of the Commoners of Great Britain and Ireland, vol. Volume II, Londres, (lire en ligne), p. 115
(en) « US, Commonwealth hail birth of Britain's royal baby », Fox News World, (consulté le ) : « "It's a boy! So happy for my cousin Kate and the future King of England!" tweeted US talk show host Ellen DeGeneres, recently informed by the New England Genealogical Society that she is indeed a distant relative (through Sir Thomas Fairfax) of the future queen. »