The baronetage of England, or, The history of the English baronets ..., Volume 3. By rev. William Betham. Page 74. < GoogleBooks >
References
History and genealogy of the Montague family of America, descended from Richard Montague of Hadley, Mass., and Peter Montague of Lancaster Co., Va. with genealogical notes of other families by name of Montague. by Montague, George Wm. (George William), b. 1836; Montague, W. L. (William Lewis), 1831-1908, ed (Publication date 1886). Page 36-37. < Archive.Org > has errors
Hyde, Myrtle Stevens, “A Study of the Downing Family in England, with Connections in Early New England” in The American Genealogist. (New Haven, CT: D. L. Jacobus: 1999) 74:161-169, 299-308, 76:137