. "31724706"^^ . . . . . . . . . . . . . . . . . . . . . "John Mahnen"@en . . . . . . . . . . . . "John Mahnen was the president of the Amsterdam Crusaders American Football Club."@en . "John Mahnen was the president of the Amsterdam Crusaders American Football Club."@en . . . . . . . . . . . . . . . . . . . . . "3969"^^ . . . . . . . "1102705623"^^ .