Saint West is the oldest son of Kim Kardashian and Kanye West. He was born in 2015 as is currently four years old. Kim Kardashian earned a lot of her money from the popular reality show Keeping Up With The Kardashians. Kanye West is one of the most successful rappers in the world. Together, they have a net worth of more than 2 billion. Saint will receive a portion of this money when his parents pass away, making him one of the wealthiest children in the world.