Brennan Jones is a character on ABC's Once Upon a Time. He débuts, with his only appearance, in the eleventh episode of the fifth season and is portrayed by guest star Adam Croasdell.
Brennan is the father of Liam Jones, Captain Hook, and Liam, the father-in-law of Emma Swan, step-grandfather of Henry Mills (Emma's son from a previous relationship), and grandfather of Hope Swan-Jones Through Henry, Jones is also the step-great-grandfather of Ella Mills.