Conversation so far:
Who did Hugh Trevor-Roper marry?
Trevor-Roper married Lady Alexandra Henrietta Louisa Howard-Johnston.
Did Hugh Trevor-Roper have children?
There were no children by Hugh Trevor-Roper's marriage.
What was Hugh Trevor-Roper title?
Hugh Redwald Trevor-Roper's title was Baron Dacre of Glanton.
In latter years,how was Hugh Trevor-Roper's health?
In his last years Hugh Trevor-Roper had suffered from failing eyesight, which made it difficult for him to read and write.
What work did Hugh Trevor-Roper submit in his latter years?
In 2002, at the age of 88, Trevor-Roper submitted a sizable article on Thomas Sutton, the founder of Charterhouse School, to the Oxford Dictionary of National Biography.
What did people think of that work?
Editor Brian Harrison praised the work as the work of a master.
When did Hugh Trevor-Roper die?
Hugh Trevor-Roper was diagnosed with cancer and died on 26 January 2003.

Question: What did he die from?
Self-contained rewrite: What did Hugh Trevor-Roper die from?