The real-estate developer was 63, and his death follows that of Scott’s mother, Bonnie Disick, also 63, who died only this past October.
Scott, 30, was their only child, reports RadarOnline, which was the first to announce the news.
No cause of death was reported, and Scott has not commented on the death. His last Tweet was on New Year’s Eve.
His father made only a few appearances on the Kardashian reality show. Jeffrey and Bonnie raised Scott in New York’s Eastport, Long Island. He currently lives in Calabasas, Calif.
Following the death of his mother, Scott and partner Kourtney Kardashian traveled to the Dominican Republic, to recuperate and discuss plans to expand their immediate family. The couple are parents to to Mason, 4, and Penelope, 1.
Scott was overheard saying, “I want an entire soccer team.”