His place of birth is unknown but the family home is believed to be in Frankfurt-am-Main, Germany.
It is presumed that Dorothy died shortly after John's birth and Samuel remarried Mary, the daughter of Stephen Jones of Prendagast, Pembrokeshire.
In addition to his banking career, Samuel was listed as a chapman and was described as a jeweller in a lease dated 6 February 1782, He also had an interest in Pesthouse Back where plague victims were taken to convalesce.
[3] The bank prospered despite the Napoleonic Wars and political uncertainty with Samuel leaving a significant inheritance on his death in 1812.
Stephen inherited a leasehold property in Lambeth, Surrey, £100 and £600 in promissory notes.