We learn from the inscription in his Bible that Jebediah Ethan Gaine was born on May 14, 1807 and he is sixty years old.
The ranch "The Haymaker Farm". Was the name of Dale Robertson horse farm in Oklahoma. He breed purebreds race horses.
William Demarest who portrays Jeb celebrating his 60th birthday, is in real life 69 years old having been born February 27, 1892.