Hi Taylor-Rycroft
1871 RG10/5440 Folio 30 Page 8 Llansamlet
Evan Griffith 31 Collier born Neath
Mary Griffith 24 born Llansamlet
Sarah Rees 8 StepDaughter Llansamlet
Elizabeth Griffith 1 Ditto Llansamlet
Hannah Griffith 1 Ditto Llansamlet
Twins

The first I've ever found

1871 RG10/5438 Folio 6 Page 5 Cadoxton Neath
Thomas Griffiths 28 Collier ?can’t decypher? Unemployed
Elizabeth Griffiths 23 wife born Breconshire
You didn’t mention David Jnr., was that because you had found him?
RG10/5437 Folio 44 Page 26 Cadoxton
David Griffiths 58 Stone Mason
John Griffiths 16David is a widow, so Hannah must have died in the intervening 10 years.