 Whether this is out of respect for Hogg's strange friendship with their uncle Jesse or not was never revealed.Boss is married to Rosco's "fat sister", Lulu Coltrane Hogg, making Boss and Rosco brothers-in-law.In the first episode, "One Armed Bandits", and referenced again in some later episodes, Boss mentions that she had him give Rosco the role of Sheriff so that he would have a safe job.