My paternal grandfather, Keith Payne, was probably illegitimate. His mother, Pamela Payne, classed herself as a widower but we think that was probably not true. It was more likely Keith was an illegitimate child. He was born in December 1921 or 1922. I don't know where I can find any sort of information about his father. It seems very tricky.
They lived in Cornwall in 1939, when he was 17 (that's the only record of a place he lived in childhood I found), so I'm not sure if I should go to Cornwall for records or whether that would be a wasted visit. Keith also lived in Sussex, but he also travelled a lot.
I saw a thing saying sometimes in these cases, there is some sort of financial transaction from the father. Where would I find that out? He also had a younger (maybe half or adopted, unsure?) sister called Mary Rose.
He died (1992 or 1993) before I was born so there was no chance of asking him these questions! Thank you. 😊