Bernie Gumbrell served the club for more than 50 years, spending much of that time as kitman and carrying out a number of other roles around Nyewood Lane.
More recently Bernie was a regular at home matches and was a popular figure in the boardroom.
He was given an award for his services to the club at the supporters' end-of-season awards bash a few years ago.
A Rocks statement said: "Our deepest sympathies are with Bernie’s wife Pam and the family. Rest in peace, Bernie."
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