- [S39] Medieval, royalty, nobility family group sheets (filmed 1996), Church of Jesus Christ of Latter-day Saints. Family History Department. Medieval Family History Unit, (Manuscript. Salt Lake City, Utah : Filmed by the Genealogical Society of Utah, 1996), FHL film 1553977-1553985..
- [S112] A History of Northumberland: In Three Parts, Hodgson, John, Clerk, M.R.S. L., (Newcastle: For the Author
1832), 942.82 G2h pt 2, Vol. 2., vol. 2 pt. 2 p. 235.
- [S427] #900 The Victoria History of the County of York, North Riding (1968), Page, William, (The Victoria History of the Counties of England [Series]. 2 volumes. London: Dawsons of Pall Mall, 1968), FHL book Q 942 H2vyn; FHL microfilms 845,218-845,2., vol. 2 p. 65.