Hi,
I've found some more historical data that is most probably your family tree.
William UNDERHILL, son of William & Maria, a Labourer of Tetbury, baptised at St Mary the Virgin, Tetbury, 29th July 1827.
William UNDERHILL married Maria NIXON at St Mary the Virgin, Tetbury, 18th June 1815.
Elizabeth LAMBERT, dau of George & Maria, a Carrier of Cirencester, baptised at St Mary the Virgin, Tetbury, 27th December 1825.
George LAMBERT married Maria BARNFIELD at St Mary the Virgin, Tetbury, 19th October 1818.
Victor
