Peter Reagan

Peter Reagan is the son to Henry and Betty, is the older brother to Frank, uncle of Danny, Nathan, Erin, Joe and Jamie and great-uncle of Jay, Kay, Daniella, Ana, Shane, Nicky, Jack, Sean and Luke. Peter is Franks older brother who is a year older. Peter Reagan  Biographical information Family Career Cast Details 

Biography
Peter is the son of Henry and Betty Reagan, born in Bay Ridge, Brooklyn, New York. He has a younger brother, Francis Xavier Reagan.

Peter married Amelia Rose Reagan in the early 1970s, and they have four children together: Ben, Theo, Mark, and Sara.

Each of Peter's sons took their own path: Theo is a Detective 1st Grade and lead investigator with the 1st Precinct's Detective Squad; Ben was a Detective with the Warrants Squad who was murdered on the orders of his partner Sonny Malevsky, the leader of a corrupt gang of police officers called the Blue Templar; and Mark is a firefighter for the FDNY. Peter's only daughter, Sara, is in law as a Judge.

In addition to his children, Peter is also a loving great-uncle to Erin's daughter, Nicky Boyle, Joe's son Luke Reagan and Danny's two children, Jack and Sean Reagan. In one episode, it is mentioned that Peter's sister-in-law's grandfather was one of the builders on the Brooklyn Bridge in the 1870s and '80s. Peter's grandfather, Charles Reagan, was an Irish immigrant who served in World War I before becoming a police officer. Charles was the one who taught Peter and Frank how to fish.