He said he had not had a chance to speak to his daughter-in law, or his son, because they had just moved to a town in southern Oregon, and had not yet been in touch.
Phillips earned a bachelor's degree in journalism from University of Southern California.
Speaking to The Sunday Telegraph from his home, Phillips's father was in no doubt that it would be a lively encounter."Our family meets up at my house every Christmas, and at their mother's house every Thanksgiving.
It's going to be an interesting Thanksgiving this year," he said.
Daughter Sage Ann arrived first at a.m., weighing in at 5 lbs., 15 oz. Son Kellan Clay followed shortly thereafter at a.m., also weighing in at 5 lbs., 15 oz.
Kyra Phillips and John Roberts are about to become parents — times two.