Rachel Clark was born about 1685 in Farmington, Conn. She was the daughter of John Clark and Mary Walker.  Her mother's name appears as Rebecca Marvin in several online trees but a citation is needed for this relationship.
Rachel Clark married Caleb Jones on 23 May 1705 in Saybrook, Conn. 
She married Israel Phelps as Rachel Jones on 26 Jan 1713 in Lebanon, Connecticut. 
↑ Edmund West, comp.. Family Data Collection - Births [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2001.
↑ 2.02.1 White, Lorraine Cook, ed. The Barbour Collection of Connecticut Town Vital Records. Vol. 1-55. Baltimore, MD, USA: Genealogical Publishing Co., 1994-2002
It may be possible to confirm family relationships with Rachel by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Rachel: