Complex sentence: Descendents of the Earls of Roden are also known to be living in the area of Beechlawn, Coolock on the northside of Dublin, one of which (Robert), is currently the manager of Beechlawn Rovers Football Club.
Split into simpler sentences: Descendents of the Earls of Roden are also known to be living in the area of Beechlawn, Coolock on the northside of Dublin. One of whom, Robert Roden, is currently the manager of Beechlawn Rovers Football Club.