Per The Great Migration Begins: Immigrants to New England 1620-1633, Volumes I-III. (Online database: AmericanAncestors.org, New England Historic Genealogical Society, 2010), (Originally Published as: New England Historic Genealogical Society. Robert Charles Anderson, The Great Migration Begins: Immigrants to New England 1620-1633, Volumes I-III, 3 vols., 1995). and Robert S. Wakefield, F.A.S.G. and Margaret Harris Stover, CG, compiler, Mayflower Families through Five Generations Descendants of the Pilgrims who Landed at Plymouth, Mass. December 1620 Volume Seventeen Family of Isaac Allerton (Pymouth, MA: General Society of Mayflower Descendants, 1998), Page 7. He died without issue.
Anyone with sources for children, please step forward.