Come and ask, answer or inform.
|Date from||Date to||Event||Source|
|11.1.1725/26||Passed the Lieutenant's Examination ADM 107/3/160||RNLPC|
|10.4.1740||Lieutenant ADM 6/15/273||CSORN|
The Gentleman's magazine for March 1731 contains the following "SIR SIMON CLARKE and Lieutenant Robert Arnott were tried and convicted of a highway robbery at an assize held at Winchester". They were both reprived however.
Not sure it's the same man though.