Calvin Rockwell (son of Elezer Rockwell and Keziah Spring) was born June 12, 1812 in Leroy, New York.He married Rebecca Blystone on September 06, 1832 in Venago, Crawford County, Pennsylvania, daughter of Crixon Blystone and Mary Brookhauser. More About Calvin Rockwell: Date born 2: June 12, 1812, LeRoy, New York. More About Calvin Rockwell and Rebecca Blystone: Marriage: September 06, 1832, Venago, Crawford County, Pennsylvania. Children of Calvin Rockwell and Rebecca Blystone are: