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Female Tryphenia Dewey Click to view Tryphenia Dewey in the family tree

Tryphenia was born on October 16th, 1819 in Hanover, Graft., NH.1   Tryphenia's father was Andrew Dewey and her mother was Harriet Pinneo.  Her paternal grandparents were William Dewey and Rebecca Carrier; her maternal grandparents were Joseph Pinneo and Azubah Wright. She had four brothers and three sisters, named Samuel Mills, John Adams, Joseph, Julius Pinneo, Eliza, Lucretia and Lucinda.  She was the third oldest of the eight children. She had a half-brother and two half-sisters, named Robert Martin, Harriet Pinneo and Rebecca Carrier.  She died at the age of 76 on October 21st, 1895 in Toulon, IL.1 

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 1, Ed. 1 @ Tree #3310, phelps.FTW, World Family Tree Vol. 4, Ed. 1 @ Tree #2332, 2332.ftw