Blue Bloods is a television series that delves into the lives of the Reagan family, a group of individuals dedicated to law enforcement in New York City. Through its exploration of family dynamics, the show highlights how conflicts within various groups can lead to tension within the Reagan family. Despite not physically appearing in the show, the influence of two significant figures, Betty Reagan and Mary Reagan, can still be felt through their descendants. These two strong women have left an indelible mark on their family, shaping the beliefs and values that guide their descendants in their law enforcement duties.

Betty Reagan, the matriarch of the Reagan family, had a compassionate and empathetic nature. Her ability to see beyond the surface and understand the complexities of human behavior has been carried forward by her children and grandchildren.

Their interactions with the people they encounter on the job are guided by Betty's unwavering belief in the importance of empathy and understanding. Mary Reagan, mother to Frank Reagan, the current Commissioner of Police, was known for her resilience and no-nonsense attitude. Despite her passing, her legacy lives on, especially through Frank. He inherited her determination and unwavering dedication to justice, serving as a constant reminder of Mary's strong-willed nature.

While Betty and Mary may not physically appear in each episode, their presence is felt through the actions and beliefs of their descendants. The Reagan family is bound by the legacy of these two influential women, leading them to navigate conflicts within different groups while upholding their commitment to law enforcement and justice.