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It's tragic news for "Keeping Up With the Kardashians"' Scott Disick.

The reality star, who mourned the death of his mother, Bonnie, in November, had to also cope with the death of his father on Friday, a source close to the family confirmed to ABC News.

Read: Scott Disick's Mother Bonnie Dies at 63

Jeffrey Disick was 63, and died in Los Angeles.

Disick, 30, born in Eastport, N.Y., is an only child.

The reality star has been with Kourtney Kardashian since 2006, and they have two children together, Mason, 4, and Penelope, 18 months.