What was the nickname of grandfather of the man that married the former Carol Shepp in 1965?
Early life and military career of John McCain:  McCain's father and grandfather were admirals in the United States Navy. Early life and military career of John McCain:  He married the former Carol Shepp in 1965; he adopted two children from her previous marriage and they had another child together. John S. McCain Sr.: John Sidney McCain Sr. (August 9, 1884 – September 6, 1945), nicknamed "Slew", was a U.S. Navy admiral.
Slew