Jerry and Bobo, oldest living Capuchin monkeys in the world, possibly, both raised by Clem Kevekordes.

Apparently it never made print. I tracked down a couple old copies of Guinness Book of Records, I was not sure what year to get, but there was a different monkey listed as the record holder, a few years older.

"When Bobo died at Mesker Park Zoo in Evansville in 1981, he was 53 years old. A white-throated capuchin, Bobo lived longer than any other monkey in captivity." - Exploring Indiana Highways: Trip Trivia, p 238, 2007, Michael Heim. Bobo was also Clem's monkey.