4. Kris Jenner
Kris, the head of the powerful family, has an estimated net worth of $60m (R1bn) according to Money.
Kris earns most of her money from KUWTK, in which she stars in and also produces.
According to Hollywood Reporter, Kris was the one who pitched the idea of the reality show to Ryan Seacrest in 2007 which was the foundation of most of the Kardashians' careers. The mother of six manages all her children and gets a small percentage of what they earn – 10% to be exact.
3. Caitlyn Jenner
Caitlyn Jenner comes in third in our count down with a net worth of $100m (R1.6bn).
According to Bankrate, Caitlyn Jenner built her net worth on an athletic foundation. Caitlyn discovered her ability for sports and athletic activities during her high school years. She outdid herself at multiple sports such as basketball, track and football.
She maintained her status as a public figure through motivational speaking and endorsements. She has made TV appearances on KUWTK and I Am Cait.
Her famous appearance on the Wheaties cereal box in 1977 also contributed to her net worth and she also published a memoir about her transition, titled The Secrets of My Life.
2. Kim Kardashian
The second highest earner is businesswoman and make-up mogul, Kim Kardashian West with an estimated net worth of $900m (R15bn) according to Forbes.
Kim came into the spotlight after her sex tape with ex-boyfriend, Ray J leaked back in 2007. The family's reality TV series - on which Kim is an executive producer - premiered that same year.
She also has many private ventures which have made her one of the richest female celebrities in the world.
Among others, Kim has a game app called Kim Kardashian: Hollywood and an emoji app called Kimoji which she launched in 2015. The TV personality also ventured into beauty products, starting her own make line called KKW Beauty which produces lipsticks, contour palettes, highlighters, foundation and concealers. She also has her own collection of perfumes called KKW Fragrance and shape-wear line, Skims.
In 2017 she started a children’s clothing line with her husband Kanye West called Kids Supply.
1. Kylie Jenner
Kylie Jenner is not only the wealthiest member of her family buts she is also the youngest 'self-made' billionaire in the world.
For the past three years, Kylie Jenner has made a name for herself and her brand. Her cosmetic business made over $360 million (R5.1bn) in 2018. She recently landed a spot on Forbes World Billionaires list for the second time, moving up from the 2,057th slot to the 1,990th.
According to Forbes, her net worth is $900 million (R15bn), which she has made from her beauty products, endorsement deals and her reality shows KUWTK and Life of Kylie.