"Sister Wives" star Kody Brown has every aspect of his life filmed for a reality show -- but TMZ has learned when he got hitched to wife #4, a number of his polygamist guests were not nearly as… READ MORE >
Robyn Sullivan Brown (born in 1979) is the fourth wife of polygamist, Kody Brown. The family is featured on the TLC show, "Sister Wives". The couple was married in May, 2010. Robyn has three children from her previous marriage. Brown has stated that only one of his four marriages is legal- the rest are simply "commitment marriages".