Robert was the only son to complete the gold hunting trip to California with his father, remaining there when his father returned home. He later rejoined the family in Illinois but the call of the west was too strong to deny.
He never married.
Journal of the executive proceedings of the Senate of the United States of America, 1845-1848
Resolved, That the Senate advise and consent to the appointment of the said persons agreeably to their nominations, respectively.
McElvaine, Purdy: Receiver, Upper Sandusky, Ohio ... 273