Son of Kourtney Kardashian and Scott Disick. Brother of Penelope Scotland Disick and Reign Aston Disick. Grandson of Kris Jenner and Robert Kardashian, and Jeffrey Disick and Bonnie Disick. Great-grandson of Mary Houghton, and Arthur Kardashian. Nephew of Kim Kardashian West, Khloé Kardashian, Rob Kardashian, Kendall Jenner, and Kylie Jenner.
Former nephew-in-law of Lamar Odom and Kris Humphries.
Middle name Dash comes from several places. Originally a nickname of his grandfather, lawyer Robert Kardashian, and was used by his mother Kourtney as the name for her clothing store.
Brother of Penelope Scotland Disick. Their brother, Reign Aston Disick, was born on Mason's 5th birthday (December 14, 2014).
Cousin of North West.