Welcome To Plathville star Ethan Plath has been staying quiet about his divorce from Olivia Plath, but it's possible that he's been trying to hint at heartbreak in some of his more cryptic Instagram posts. Ethan, the oldest son of Kim Plath and Barry Plath, has been going through a rough time in the last several years, especially after his family felt strongly that his relationship with Olivia wasn't a good influence. Ethan and Olivia's marriage, which began in 2018, has been a sore spot for the Plath family for years after they began to experience animosity toward their daughter-in-law. The drama within the family made for tense moments together.