Marriage
Ernest R Nolleth and Caroline Froud
Apr - June 1945
St Neots Huntingdonshire vol 3b pg 687
There is then this marriage
Frederick Franco -Carlavero and Carolina Nolleth
Jan-March 1962
Dartford, Kent vol 5b pg 959
There is a published tree with scant details which has similar to this information.
You would need to check these marraigaes
There is a grave record for Ernest and Carolina with a headstone photo
https://www.findagrave.com/memorial/194082404/carolina-nolleth