I noticed the same last name and I knew that Bastila had children so I was wondering if Satele was a descendent of Bastila.
Revan and Bastila's family line eventually led to Satele Shan, the Grand Master of the Jedi Order during the post-Great Galactic War era
And Statele Shan's Wookieepedia page says:
The daughter of Jedi Knight Tasiele Shan, who was herself a descendant of the legendary Jedi Knights Revan and Bastila Shan, Satele was born on the planet Brentaal IV in the year 3699 BBY.
Yes, they are related. She is a descendant of Bastila and Revan.