James Boswell's uncle John was a member of a sect known as the Glasites.
Margaret HendersonBorn ca. 1705
Daughter of Claud Henderson and Margaret Bryson, dau of John Bryson, bailie of Glasgow. Married (1726) to John Boswell (d. 1749), 11th of Balmuto, Lord Auchinleck's uncle. Mother of Claud Irvine Boswell, and Elizabeth Boswell, Lord Auchinleck's second wife.
Life with Boswell:
Boswell visited her on October 29, 1762 (his 22nd birthday).