Who was tied up in the house The Hound of the Baskervilles?

In "The Hound of the Baskervilles," Sir Charles Baskerville is found dead at the beginning of the story, but it is actually Sir Hugo Baskerville, a distant ancestor, who is famously tied up in the legend surrounding the curse of the Baskerville family. The plot revolves around the mystery of Sir Charles's death and the supernatural hound that is said to haunt the Baskerville estate. While no one is literally tied up in the house during the main events of the novel, the legacy of the curse looms large over the characters.