Taylor Sheridan's creation has expanded to include the Dutton family origin story with 1883 and 1923, and with new many installments (1944, 6666, and The Madison, plus spinoffs with Beth and Rip and Kayce) on the horizon,

The Dutton family tree is pretty complicated, but it doesn’t have to be. Yellowstone, 1883 and 1923 fans will appreciate this easy explanation of how James, Jacob and John Dutton are related. The end of 1923 seemingly locked into place who Kevin Costner’s John Dutton’s grandfather is.

Dutton-heads, the mystery is solved. Yellowstone fans believe that they've uncovered the identity of John Dutton's (Kevin Costner) grandfather. The answer has dogged fans for years, ever since the 1923 prequel series swiftly killed off John Dutton Sr.