. . . . . "John Graham Knatchbull (bapt. 24 January 1793 \u2013 13 February 1844) was an English naval captain and convict found guilty of murder in 1844. He was one of the earliest to raise in a British court the plea of moral insanity (unsuccessfully)."@en . . . . "Darlinghurst Gaol"@en . "1793-01-24"^^ . . . . "John Knatchbull (Royal Navy captain)"@en . "John Knatchbull"@en . . . . . "Execution"@en . . . . . . . . . . "13613"^^ . . "Naval captain; convict"@en . . "Murder"@en . . . . . . . . . "1096634831"^^ . "1844-02-13"^^ . . "1.2"^^ . . "Mersham, county Kent, England"@en . . . . . . . . . . . . "16146033"^^ . . "1844"^^ . . . . . "John Fitch"@en . . . . . . . . . "John Graham Knatchbull"@en . . . . . . . . . . . . . . . . . . . . . . . . "John Graham Knatchbull (bapt. 24 January 1793 \u2013 13 February 1844) was an English naval captain and convict found guilty of murder in 1844. He was one of the earliest to raise in a British court the plea of moral insanity (unsuccessfully)."@en . . . . . . . . . . . . . . . . . . . . . . . . "John Graham Knatchbull"@en . . . "Lithographic image of John Knatchbull, prior to his execution in February 1844."@en . . . . . . . . . . . . . . . . "John Knatchbull"@en . . . . . "1844-02-13"^^ . .