Sir William Johnston of Caskieben, 6th Bt. (1714-1794) (1714–1794) Parents Jean Sandilands Sir William Johnston of Caskieben, 5th Bt. Children unknown son Johnston unknown daughter Johnston unknown son Johnston Sir William Johnston of Caskieben, 7th Bt. Alexander Johnston Elinor Sandilands Johnston unknown son Johnston unknown daughter Johnston unknown daughter Johnston unknown son Johnston unknown son Johnston Mary Selby Johnston Partners Elizabeth Cleland Sarah Kirby Amy French