You can always try using the Advance Search for witnesses, as this quite often turns up family links.....

Had a very quick look searching for LAUGHTON as a witness to a marriage, and this has already turned up...

Newent - 14 June 1808

James CHADNOR - residence: Donnington (Heref)

married:

Martha HART - residence, Newent

witness: John LAUGHTON, John BOWKETT