???? - 1801
Chief Justice of Jamaica, who died there in 1801. His will was not proved in London until 30/09/1848; he left his property (including enslaved people) to his wife, not named in the will but identified as Elizabeth Sarah nee Warren when she died in 1848.
Possibly son and mother or conceivably brother and sister. The Slave Registers showed 'Mrs' Margaret Henckell while John Henckell showed a sister named Margaret in his...
Son-in-law → Father-in-law