Boisgelin 29.12.1799 at Lanesborough's / 5.1.1800 at John King's / 19.1.1800 at Lanesborough's / 21.1.1800 at John King's / 26.1.1800 again / 9.2.1800 again / 16.3.1800
Boisgelin has been identified on 17.11.1799 on the GD website but all the above subsequent entries have not been coded to him