Christine Brown is the most popular Sister Wives cast member on social media, and there are a few reasons for her success. She has been part of the popular reality TV series since 2010. The 51-year-old is known for her relationship with Kody Brown, and his other wives, Meri, Janelle, and Robyn Brown. Christine married Kody in the mid-90s, becoming his third partner. The pair had a decent relationship and welcomed six kids over the last three decades. In 2010, Kody married his fourth wife, Robyn, changing his relationship dynamic with Christine.