http://homepages.rootsweb.ancestry.com/~ljhall/hallfamily/1157.htm
Rebecca Jean Blouir Freeland is the widow of the grandson of William R. Hall's son William D. Hall. According to Jean, she was told by one of William D. Hall's granddaughters that William Clarence Hall was the name of William R. Hall's father.
According to W.V. Sprague's Sprague Famlies in America, William R. Hall "was the son of William, and the brother of the Alfred Hall that married Narcissus Ross..."