Well, here is the news Telegraph death notice confirms: http://announcements.telegraph.co.uk/deaths/264193/edmunds
Wiki is incomplete so this helps a bit. IMDB has the wrong death date.
In full:
EDMUNDS
Dr John David passed away peacefully on 3rd May 2023, aged 94. Academic, actor, translator, teacher and broadcaster. Much loved and greatly missed uncle, great uncle and brother-in-law. His Funeral will be held on 31st May 2023 at 12.30 p.m. at St Margaret of Antioch, Rottingdean. Flowers welcome c/o Christopher Stringer, 67 High Street, Rottingdean, BN2 7HE.