Thank you Pampoen. Sorry, I don’t know if they had any children. They married in 1949 and so, although not impossible!, it seems unlikely that the Popiels you kindly found are theirs. It pays to never give up though doesn’t it? I've just found a great great Uncle who ‘vanished' and turned up in Australia, It only took me ten years! 😀 Thanks again for your efforts to help.