Which character is Tommy's son with Grace Shelby?

Charles Shelby is Tommy Shelby’s son with Grace Shelby.

Grace Burgess becomes Tommy’s first wife after their relationship develops from suspicion and deception into genuine love. Their son, Charles, is born into the Shelby family and is named after Charlie Strong, Tommy’s trusted uncle-like ally and the owner of the boatyard.

Charles is Tommy’s eldest recognised son. He is distinct from Ruby Shelby, Tommy’s daughter with Lizzie, and Duke Shelby, a later-discovered son from Tommy’s earlier life. Another frequent mix-up is Karl Thorne, who is Ada Shelby and Freddie Thorne’s son, not Tommy’s child. Charles remains important to Tommy’s personal life and family decisions in the final series.