Genealogist Josephine C. Frost in The Haviland Genealogy (1914)  on page 48, "Adam (Mott),..., married his step-sister, Mary Lott, and the above is her will (Pages 46 and 47). He died in 1673 and was married in 1647. He was a Freeman of Portsmouth 1655 and Deputy the year of his death. Their children were: Rebecca, born Sept. 1648; Adam, born Sept. 1650, died Dec. 19, 1676; John, born Jan. 1, 1671; Mary, born Jan. 1, 1656; Sarah, born Oct. 11, 1657, married John Tripp; Elizabeth, born Aug. 6, 1659, died 1723, married Wm. Ricketson and Mathew Wing; Phebe, born Aug. 20, 1661 ; Bethiah, born April 1, 1664, married an Abbott and Abigail, born May 3, 1660, died 1720, married Benjamin Haviland."
Mary came to America with her mother, step-father, and step-brothers and sister, in 1635. She married Adam Mott, who is the son of her step-father. Her will is signed, Portsmouth, R.I., in 1710. In itshe lists five daughters, including Abigail. 
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