One has to wonder whether Rosa was entirely truthful about the birthplace of Phoebe.

Going further back with the BEVAN family:
Familysearch has these baptisms, all with
parents David and Jane BEVAN (we know, from 1851 census that James BEVAN's father was Henry BEVAN, b Penard, Glamorganer and Henry's mother's name was Jane BEVAN). All baptisms at Pennard, Gamorgan, Wales These are all extracted entries so should be reliable.
ELINOR BEVAN - Christening: 14 MAR 1815
JANE BEVAN Christening: 16 APR 1816
HENRY LAYS BEVAN Christening: 31 DEC 1817
JAMES SEYS BEVAN Christening: 28 MAR 1821
CAROLINE BEVAN - Christening: 28 MAR 1821
Hmm - is this actually the James who came to Australia?
What age is given for him on the marriage cert with Rosa? He would only have been 62 at the time of the 1883 marriage which may have been a regularisation of a long-time relationship.
Briton Ferry and Neath are almost the same place and are port towns for South Wales - perhaps James was a seaman??
I see what would appear to be some of the above family in 1841 in Briton Ferry, remembering ages in 1841 were rounded down. So it looks as though James may have already left
Jane BEVAN 50 publican
Henry BEVAN 20
Caroline BEVAN 20
Ann BEVAN 15
Judith
Wondering if either 'Lays' or 'Seys' could be a mistranscription given the long 'S' in use at the time?
Judith