This looks like the marriage Thomas Watkins Jan--Mar 1870 Llanfyllin to Mary Williams
Going be the family you posted this looks like them in the 1881 Census
Thos Watkins b 1850 Wales occupation carter address 2,Oliver Place Birkenhead Wales
Mary Watkins b 1847 Wales
John T Watkins b1871,Margaret J b 1873,David 1875,Mary E 1878,Evan 4months all born Wales
1871 Census Fishing Street Llanwddyn Wales
Jane Williams b 1817 Llanwddyn occupation stay maker
Mary Watkins age 25 married daughter
John Thos Watkins age 6 month grandson
Elizabeth Williams age 14 daughter
Sorry Osprey had started to post
