My parents were Church Of England, mildly practicing (more my mother than my father). My grandparents were strongly practicing C of E (as strong as that gets anyway – that is they went to church every week and all that).
However – my father works in oil and his job took him around a lot of places including the Middle East, the Caribbean and now, Louisiana. So there were lots of ideas flying around when I was a kid. My first school was a ‘Gospel School’ (I was the only white boy in the whole school!), and my leaving present was the Good News Bible with a picture of the island the school was on.