Complex sentence: Desborough had the unfortunate distinction of having an obituary prematurely published on 2 December 1920 by "The Times" which confused the event with the death of Lord Bessborough-Desborough died 25 years later at the age of 89.
Split into simpler sentences: Desborough had the unfortunate distinction of having his obituary erroneously published on 2 December 1920 in The Times which had confused him with Lord Bessborough. He actually died 25 years later at the age of 89.