A half sister of Huguette Clark, Katherine Clark married Dr. Lewis Rutherfurd Morris, of the Morris Manor, in Morris, NY.
https://www.findagrave.com/memorial/67172809/katherine-stauffer-morris
https://www.findagrave.com/memorial/67173215/lewis-rutherfurd-morris
https://www.findagrave.com/memorial/70308286/huguette-marcelle-clark