Rachael's birth was registered in 1843 Westbury on Severn, Newnham

there is a death of on Gloucestershirebdm

Richard ROBERTS - age 40 in 1844, Westbury on Severn, Newnham

and this death is on the the Forest of Dean records - for Awre

Record No: 1682
Entry Number: 928
Year: 1844
Month: May
Day : 23
Surname: ROBERTS

Forenames: Richard

Residence: Forest of Dean

Age at death: 40

etc

The death certificate would probably prove or disprove this is your Richard