After spending the last thirty years in a plural marriage with his four wives, including Meri Brown, Janelle Brown, Christine Brown, and Robyn Brown, Kody is now facing the loss of three of them, and is now in a monogamous relationship for the first time.

Source: https://screenrant.com/5-times-sister-wives-kody-brown-was-hypocrite/

Christine Brown left Kodyseason 17 and Robyn Brown is still married to him, all the marriages featured on the series have shown cracks in their foundations throughout the years.

Source: https://screenrant.com/sister-wives-missteps-kody-brown-made-in-marriages-bad-husband/

Even though she has surprised many by still being close with Robyn Brown, Mykelti owns who she is and what she is about.

Source: https://screenrant.com/sister-wives-how-mykelti-brown-doing-postpartum/

Sister Wives' Robyn Brown has been appearing on the show for over a decade, and she's had a number of memorable fashion and makeup mishaps.

Source: https://screenrant.com/sister-wives-robyn-brown-fashion-makeup-fails-ranked/