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John D. Demler
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John D. Demler

December 19, 1956 - August 25, 2025

John David Demler, 68, passed away on August 25, 2025 at Buffalo General Hospital from complications following a courageous 15-year battle with Multiple Myeloma. At the moment of his passing, John was welcomed into the arms of his Lord and... View Obituary & Service Information

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In lieu of flowers, memorials may be made to Roswell Park Comprehensive Cancer Center, 665 Elm Street, Buffalo, NY 14203

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John David Demler, 68, passed away on August 25, 20...

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