« Reply #1 on: Sunday 20 March 11 18:38 GMT (UK) »
Have you found a baptism for their first child?
Nothing on London marriages on Ancestry and nothing on familysearch. There is no national database of marriages pre-1837 and there's no guarantee they married in either Uxbridge or Montgomeryshire.
Chowns in Buckinghamshire
Broad, Eplett & Pope in St Ervan/St Columb Major, Cornwall
Browning & Moore in Cambridge, St Andrew the Less
Emms, Mealing & Purvey in Cotswolds, Gloucestershire
Barnes, Dunt, Gray, Massingham in Norfolk
Higho in London
Matthews & Nash in Whichford, Warwickshire
Smoothy, Willsher in Coggeshall & Chelmsford, Essex