Child(ren):
1. "Homely Musings, by a Rustic Maiden" (Jane Stevenson) written in 1870, downloaded from https://archive.org/details/homelymusingsby00stevgoog
William Stevenson - Named as Grandfather of Jane Stevenson in ["Homely Musings, by a Rustic Maiden" Page 74] (On the New Year’s Day of 1868, I passed the farm of Wardlaw, near Kilmarnock, into which my grandfather, William Stevenson, entered in 1783, and where (I have reason to believe) he died; and most likely my grandmother either died before my father left it, or else not long after they went to Onthank.)
The book describes part of the authors life, visiting various family residences, on her travels around Ayrshire. Jean/Jane Stevenson's Grandmother, Mary Galt, is Jean Galts sister, her Great Grandmother is Helen Young, Great Grandfather is John Galt.