Mason Dash Disick (born December 14, 2009) is Kourtney & Scott's son and Penelope & Reign's big brother. He was born in 'Keeping Up with the Kardashians' Season 4 finale, making it his first appearance.
He is known for appearing on Keeping Up with the Kardashians.
The series focuses on quadruplets Nicky, Ricky, Dicky, and Dawn Harper, nine years old at the start of the series, who have nothing in common and often fight, but must work together to solve everyday situations.
