looking for ralgh shepperson

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can any one help me im looking for my great grandad Ralph Shepperson he servered as a private in the Sherwood foresters(Notts and derby Regt.) his unit was "A"Coy.10th bn.He was 30 at his time of death which was on the 5th july 1916 his service no was 6411 and is buried in DANTZIG ALLEY BRITISH CEMETERY,MAMETZ. if any one has any info on him or where i can get intouch with the notts and derby regt i would appreciate it imensly. you can contact me by email. thank you for any help any one can give me. michelle.any pictures would be absolutly great too.