Kody and Robyn spiritually tied the knot in 2010, and in 2014, Kody divorced Meri, his first wife, so that he could legally wed Robyn in order to formally adopt her children from a previous marriage.
"Meri the whole time was jealous of Robyn and every choice she's made was to get Kody's attention, 100 percent," the source spilled in a recent interview, adding that Meri fully "regrets bringing Robyn into the family."
This comes days after Meri and Kody confirmed their relationship was officially over — with the mother-of-one admitting that she had no idea that was the case.
In a clip for the Sunday, December 18, Sister Wives: One-on-One special, the Brown family patriarch flippantly confessed, "I don't really consider myself married to Meri," leaving the 51-year-old shocked and confused.
- 'Sister Wives' Star Meri Brown Reveals Kody Brown Told Her They 'Could Be Friends,' Laments She Does Not 'Have A Husband’
- Will Meri Brown Be The Next To Spilt From Kody Brown? 'It Wouldn't Surprise Anyone,' Claims 'Sister Wives' Source
- Sister Wives' Meri Brown Confirms Split From Estranged Husband Kody After 32 Years Of Marriage, Admits She Had No Say
However, not everyone was surprised by the sudden split. Fans have frequently taken to social media over the years to call Robyn the "favorite" wife and slam Kody for his overall negative treatment of Meri.
"It’s no secret that she’s been to hell and back in that relationship ... but for some strange reason she’s still loyal to him," an insider dished earlier this week. "They have the most dysfunctional relationship ever."
The source spoke with The Sun on Meri's feelings about Robyn.