What is the relationship between sir charles and henry baskerville?

Sir Henry Baskerville - The late Sir Charles's nephew and closet living relative. Sir Henry is hale and hearty, described as "a small, alert, dark-eyed man about thirty years of age, very sturdily built." By the end of the story, Henry is as worn out and shell-shocked as his late uncle was before his death.

i dont know what you want me to answer

answer: b

explanation: