Jess McMahon
Roderick James Jess McMahon was an American professional wrestling and professional boxing promoter, and the patriarch of the McMahon family. McMahon was the founder of Capitol Wrestling Corporation, the precursor to current day WWE, along with Toots Mondt. McMahons son, Vincent James McMahon, would later take over and found the World Wrestling Federation
Roderick James McMahon was born May 26, 1882, to hotel owners Roderick and Elizabeth McMahon from County Galway. His parents had recently moved from Ireland to New York City. He and his siblings Lauretta , Catharine and Edward attended Manhattan College. Roderick graduated with a commercial diploma at the age of 17. The McMahon brothers showed a higher interest in sports than in a banking career.
Source: Wikipedia