Yup.
"Most certainly! It was one of his fascinations- one of many. They do say that whilst Geron went through the legal requirements with his older son- he had to have him declared legally dead- his heart was never really in it. He still felt for his son, and the more Kuylen worked at being a Jedi, the more Geron seemed to become obsessed with the history of the Sith."
"Oh, he became obsessed with the Syphar n Kalar. So much so that he sent his family servant out into the galaxy to gather every single rumour and vague trace about it- a compendium of fringe nonsense. Now, this was no butler; a Charnalian family servant is the Lord's right hand man, there to serve or kill as needed. Very dangerous and dependable. This one spent years gathering all there is to be known about the Syphar n Kalar. Talented fellow- his name is Briande."