There are a couple pf Dows named Phineas Kimball. Phineas Kimball Dow b. 11 May 1777 m. Mary Gordon 16 Nov 1797. They had a son Phineas Kimball Dow b. 7 Oct 1804. This Phineas K. m. Fannie O Hill. He had a brother Abram Dow who m. Julietta Bradish. Abram and Julietta had a son named Phinea b. 20 Feb 1837 Kimball Dow. This last Phineas K. m. Lydia Cutting. They had a dau Elvira.
This is all based on Pierce's Book of Dow. Email me for additional details.