Conversation so far:
Where was Edward Plunkett, 18th Baron of Dunsany born?
London, England
Who were Edward Plunkett, 18th Baron of Dunsany's parents?
John William Plunkett, 17th Baron of Dunsany, and his wife, Ernle Elizabeth Louisa Maria Grosvenor Ernle-Erle-Drax
Did Edward Plunkett, 18th Baron of Dunsany have children?
Yes
Anything else interesting about Edward Plunkett, 18th Baron of Dunsany?
Edward Plunkett, 18th Baron of Dunsany served as a Second Lieutenant in the Coldstream Guards during the Second Boer War.
Did Edward Plunkett, 18th Baron of Dunsany come from a good family?
Yes
Did Edward Plunkett, 18th Baron of Dunsany have any siblings?
Yes
Did Edward Plunkett, 18th Baron of Dunsany go to school?
Edward Plunkett, 18th Baron of Dunsany schooling was at Cheam, Eton College and finally the Royal Military College, Sandhurst, which he entered in 1896.

Question: Did he join the military?
Self-contained rewrite: Did Edward Plunkett, 18th Baron of Dunsany join the military?