BRIAN PENDLETON AND HIS DESCENDANTS, 1599-1910, Compiled by Everett HallPendleton, Privatley Printed MCMX, found in the DAR Library, Washington,DC. Page 1-77.
It would appear from John Jamison's will,m dated at Stonington,Conn. 25th 221-2, names only "loving wife Dorothy" and the first fourdaughters. It would appear from this that Dorothy had had no children orat least none that survived infancy.

Sources: Early New England Pendletons; Early CT Marriages.
Early Pendletons: Dorothy Pendleton, 2nd wife of John Jamison, son of
William and Sarah (Price) Jamison. She apparently had no children.Baptized 23
Nov. 1735, Second Church of Stonington (North Stonington), along withsiblings
Edmund, Rebecca and Daniel.
Early Marriages: Dorothy Pendleton of Westerly married John Jemmisen20 Dec.
1748.