Sir Geoff Hurst wrote himself into English football legend with his hat-trick in the 1966 World Cup final victory over West Germany.
However, the former striker believes that he could have been representing England's opponents that day, as he prepares to undergo a DNA test.
Hurst, who is working with Sky Bet and Ancestry to uncover his past, revealed that he thinks his forefathers may have heralded from Germany.
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He said: 'Many, many years ago I heard of this story from my grandparents on my mother's side that there was some connection with a German name, a German family called Blick.
'I first recall learning about that when I was really young, and that name Blick has stuck in my mind, so I'm fascinated to see any research that can justify my thoughts.
'It's not something I made public, of course, because I'm not sure it would have gone down too well in this country, but I'm pleased to let you know for the