James Boswell's uncle John was a member of a sect known as the Glasites.
Vincent Maximiliaan van Tuyll van SerooskerkenBorn Aug 14, 1747 in Utrecht
Died Aug 19, 1794 at Pont Sainte Maxence sur Oise
Life with Boswell:
Boswell met Vincent at Heer van Zuylen's on January 30 or February 6, 1764.