The 1890 Pratt Family genealogy gives the following children:[1]
Benjamin, b. 2 Apr 1788; m. 1809, Silence Thayer
John Loud, b. 7 Aug 1789
Robert L., b. 29 Aug 1793
Polly, b. 16 Sep 1797; d. 8 May 1855
Eleazer, b. 16 Sep 1797
Lois, b. 16 Sep 1797; m. (1) 15 Apr 1821, Azel Cushing; (2) ___ Dyer
Sources
↑ Pratt, Francis Greenleaf, The Pratt family : a genealogical record of Mathew Pratt, of Weymouth, Mass., and his American descendants, 1623-1889, page 129
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QPZ9-F13G : 19 April 2021), Robert Pratt and Polley Loud, 1 Mar 1787; citing Marriage, Weymouth, Suffolk, Massachusetts, United States, Massachusetts Secretary of the Commonwealth, Boston; FHL microfilm 007009659.
"Massachusetts Deaths, 1841-1915, 1921-1924," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N7FB-PLM : 2 March 2021), Mary Pratt, 25 Dec 1851; citing Weymouth, Massachusetts, v 58 p 164, State Archives, Boston; FHL microfilm 959,814.
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