Lonnie Byers, portrayed by Ross Partridge, is a recurring character in the first season of Stranger Things. Lonnie is the shifty ex-husband of Joyce, and the father of Will and Jonathan. Lonnie Byers was born sometime in the late 1930s/1940s, and was most likely born and raised in Hawkins. It's possible he attended school alongside Joyce Byers, which explains how they met. Sometime during the 1960s, Lonnie and Joyce married and had their first son named Jonathan. Jonathan mentioned that…