Which series is a prequel to 'Yellowstone' set in the 1880s?

Which show is a spin-off of 'The Cosby Show'? Which show is a spin-off of 'Perfect Strangers'? Which show is a spin-off of 'NCIS'? Which show is a spin-off of 'Grey's Anatomy'? Which 'The Walking Dead' spin-off is set initially in Los Angeles? Which Amazon series is set in Tolkien's Second Age of Middle-earth? Which Netflix series is based on novels by Andrzej Sapkowski and stars Henry Cavill? Which series follows a British royal family drama from Queen Elizabeth II's wedding onward?