Yellowstone may have wrapped up its main series, with Kevin Costner’s John Dutton III meeting a divisive and controversial end, but the Dutton legacy is still a work in progress. With 1923 ...

Appearing as an old man in Yellowstone flashbacks, John Dutton II is the father of John III (Kevin Costner) and presumably either Jack’s son, Spencer’s son, or an older Jack Dutton.

As one of the breakout stars of the series, fans are curious about his connection to John Dutton (Kevin Costner) from the original series. Spencer Dutton is the younger lad of James (Tim McGraw ...