looking for birth and death of John Roberts, born in Ross about 1812, he married Elizabeth Fynn of Dover in London, and then moved back to Vaga Cottage Ganerew, Herefordshire. His wife was shown as a widow on the 1861 census.

There are a couple of possibles on this site:

Record_ID: 314632
Entry_Number:
Year: 1811
Month: Jan
Day: 1
Parents_Surname: ROBERTS
Child_Forenames: John
Fathers_Forenames: James
Mothers_Forenames: Ann
Mothers_Surname:
Residence:
Occupation:
Officiating_Minister: Ja[me]s Mills Curate
Event: Baptism
Memoranda: [1]son of [2]privately bapt[ised] Dec[embe]r 23rd 1809 & rec[eive]d into Church July 22nd 1812
Notes:
Register_Reference: AG39/3
Page_Number: 40
Parish_Chapel: Ross on Wye
Soundex: R163

Record_ID: 314553
Entry_Number:
Year: 1809
Month: Oct
Day: 15
Parents_Surname: ROBERTS
Child_Forenames: John
Fathers_Forenames: James
Mothers_Forenames: Elizabeth
Mothers_Surname:
Residence:
Occupation:
Officiating_Minister: Ja[me]s Mills Curate
Event: Baptism
Memoranda: Son of
Notes:
Register_Reference: AG39/3
Page_Number: 32
Parish_Chapel: Ross on Wye
Soundex: R163