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John Ross, Betsy's maiden name was Griscom, she married into the name Ross, so George Ross would have to be on John's side of the family.
They were John Ross, Joseph Ashburn, and John Claypoole.
John Ross, John Ashburn, and John Claypole
Betsy Ross married John Ross, John Claypoole, and Joseph Ashburn.
Betsy Ross married three times. Her first was John Ross, second was Joseph Ashburn, and her third was John Claypoole.