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(Gender unknown) Alpheus Dewey Click to view Alpheus Dewey in the family tree

Alpheus was born on March 1st, 1762 in lebanon, CT.1   Alpheus' father was Abraham Dewey and his/her mother was Grace Gates.  His/her paternal grandparents were Josiah Dewey and Sarah Huchinson (Hutchinson); his/her maternal grandparents were Josiah Gates and Grace Rathbun. He/she had four brothers and four sisters, named Abraham, Josiah, Sylvester, Freeman, Lavinia, Submit, Susannah and Amy Grace.  He/she was the fourth youngest of the nine children.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