 Simons is the son of musician Jan Simons.He is also a cellist, whose musical credits include several tracks on Rise Against's 2004 album "Siren Song of the Counter Culture".Simons and Vancouver mayor Gregor Robertson both perform on country-punk musician Slim Milkie's 2010 album "Silverado"; Milkie, whose real name is Scott Scobbie, is Simons' partner of nine years.