Questions: Was Martha Jane Evans born out of wedlock? Was Martha Jane Williams previously married to an Evans? Was the maiden name of Martha Jane Williams actually Richards?
Taken from the war records:
John Williams died 1917: Mother Martha Jane Williams (Evans); Father Thomas Williams Deceased, of 19, Market Street, Haverfordwest.
Brother(s) Thomas Williams address not known assumed Aberdare
Sister(s) Martha Jane Evans (26), Violet May Williams (13), Florence Edith (7)
19 Market Street.
That suggested her maiden name was Evans, with Martha Jane being born before marrying my great-grandfather.
Marriage: Thomas Williams . 8 Sep 1894 . Haverfordwest
Thomas Williams Died: Feb 1916
On the Census 1901 it names her sister as Agnes Richards, who at 16 may have been married, but information lower could suggest she was single.
Furzy Park And Portfield Haverfordwest . Albert Town
Thomas Williams . Head . Male . 30 . Laugharne (great-grandfather)
Martha Williams . Wife . Female . 29 . Walton West, Pembrokeshire
Martha Williams . Daughter . Female . 7 . Haverfordwest
Thomas Williams . Son . Male . 6 . Haverfordwest (grandfather)
John Williams . Son . Male . 4 . Haverfordwest
Agnes Richards . Wife's Sister . F . 16 . Haverfordwest
Martha Jane Evans (26) was born c.1891
I can find no marriage of Martha Richards to an Evans 1880 to 1891 in Pembrokeshire, Carmarthenshire or Cardiganshire.
John Williams 1896
Thomas Williams 1897
Violet May Williams (13) c.1905
Florence Edith (7) c.1910
Thomas Williams Head and John Howell Williams were brothers.
Marriage: Florence Richards to John (Howell) Williams
17 Jul 1897 at Walwyn's Castle, Pembrokeshire, Wales
Florence: 22 John Williams: 21
Were Martha, Florence and Agnes sisters?
Looking on FamilySearch I can find census information for both families.
John Howell Williams and Florence did not have children, but in the 1911 census Mary Brown of Laugharne was there and referred to as niece. That link connects my family between Laugharne and Haverfordwest.