Warning: This article contains spoilers for Blue Bloods season 14, episode 12.Blue Bloods revealed which of Frank’s (Tom Selleck) children is his true successor during season 14, episode 12. One reason the long-running police procedural is one of CBS’ highest-rated shows, even after its cancelation, is that family is so central to its stories. Blue Bloods’ Reagan family leaves their problems at the door every Sunday to get together for dinner where they laugh, tease each other, celebrate their family bonds, and offer one another their support. Frank usually sits at the head of the table next to Henry (Len Cariou), symbolizing the respect the family gives to its two patriarchs.