John Calvin Doyle's birth name is John Calvin Doyle.
John Calvin Byrd's birth name is John Calvin Byrd III.
Calvin was his middle name; his first name was actually John.
His full name was John Calvin Coolidge Jr.
Calvin Coolidge's birth name is John Calvin Coolidge.
john calvin coolidge, sr.
Jehan Cauvin
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John Calvin. =]john calvin
John Calvin is 6' 3".
John Calvin. =]john calvin