Billy Corgan’s Stepmom Believes Bill Burr Could Be His Brother, According to Corgan

Shocking revelation from Billy Corgan … he thinks he might be related to Bill Burr … if a family member’s suspicions turn out to be true.

The Smashing Pumpkins frontman was a guest on the “Howie Mandel Does Stuff Podcast” when he revealed his possible blood connection to the famous comedian.