Jacob Dutton is the great-great-uncle of Kevin Costner's character John Dutton, who is the third John Dutton in the lineage.
The prequel also introduces us to Jack Dutton (Darren Mann), the son of John Dutton Sr and nephew of Jacob Dutton, reports the Express.
1923, the follow-up to the successful Yellowstone's 1883, centres around Jacob Dutton (portrayed by Harrison Ford), the sibling of Tim McGraw's character James Dutton from 1883.
Emma Dutton (Marley Shelton) is portrayed as the devoted wife of John Dutton Sr and the mother of Jack Dutton.
Here are all the details about Jacob's connection to Yellowstone's John Dutton (played by Kevin Costner) and the rest of the Dutton family tree.