Who is accused of killing whom in the murder case mentioned in Seven Gables?

In the murder case mentioned in "Seven Gables" by Nathaniel Hawthorne, Hepzibah Pyncheon's brother, Clifford, is accused of killing their uncle, Judge Jaffrey Pyncheon. The motive behind the murder is linked to the Pyncheon family's inheritance and issues surrounding the family estate.