I have been sorting through my notes, and found this item that I did not post previously. It is just for interest - it links witnesses at marriages.
George Serjeant married 4 Dec 1814 St George, Hanover Square to Ann JAMES
Witnesses were Robert Wightman and his wife Ann.
Robert Wightman married 30 Jan 1814 St George, Hanover Square to Ann WICK
Witnesses were George Serjeant and future wife Ann James
George S. and Robert W. appear to have been friends.
Robert Wightman lived in St Pancras, occupation white smith, according to baptism of his 4 children.
Robert was born 8 Dec 1793, baptised 5 Jan 1794 St Leonard Shoreditch (abode- Hoxton)
His parents: John WIGHTMAN and Ann GREEN married Shoreditch 1785. The father deserted the family in 1799.