Not sure where the Lewises come in
1871 - Penallta Isha
Edward Edwards 57 - farmer of 250acres, employing 1 labourer
Margaret Edwards 47
Margaret Edwards 24
Thomas Edwards 22 - employed on farm
John Edwards 21 - employed on farm
Richard Edwards 18 - employed on farm
Mary Edwards 13
Ann Edwards 11
Edward Edwards 9
Jane Edwards 6
David Rumsey 21 - servant
Rhoda Phillips 19 - servant
RG10, 5389, 33, 1
Edward and Margaret are still there in 1881, with Jane, and separately listed at the same address is son William Edwards with wife Lavinia.
There are adverts for the sale of the farm, stock and equipment in 1885 when Mrs edwards decides to retire from farming.
Also noted on 1881 is a property Penallta Fawr, with another William edwards, mason, and family