Conversation so far:
How old was Richard Burtonw hen Richard Francis Burton went on Richard Francis Burton's first exploration?
CANNOTANSWER.
Why did Richard Burton go to Mecca?
His seven years in India gave Burton a familiarity with the customs and behaviour of Muslims and prepared him to attempt a Hajj .
What did he do in 1851?
CANNOTANSWER.

Question: Did anyone accompany him to Mecca?
Self-contained rewrite: Did anyone accompany Richard Francis Burton to Mecca?