An Abderite sees a eunuch talking with a woman and asks him if she's his wife. The guy responds that a eunuch is unable to have a wife. "Ah, so she's your daughter? "A collection of 265 jokes called Philogelos: The Laugh Addict, which dates from the fourth century AD has now been published in an online book, featuring former Bullseye presenter and comic Jim Bowen presenting them to a modern audience.
Some jokes are likely to baffle modern audiences, however - especially the ones about lettuce, which only make sense if you share the ancient superstition that the vegetable is an aphrodisiac.