Alex Arnold and Erin Landers of Greencreek, Idaho, are the parents of a baby son. Ryder Knox Landers Arnold was born Saturday, Oct. 20, 2018, at St. Mary’s Hospital in Cottonwood, Idaho. He weighed six pounds, one ounce. He joins a big sister, Ashton Kylie Landers, 16 years old. Grandparents are Dave and Vicki Landers of Gold Beach, Ore., and Dave and Jane Arnold of Washington, Mo.October 31, 2018 6 a.m. read more..