Are these translated into another language and then translated back using translation software? You can get some funny stuff that way too!

Like the following, using babelfish to go from English to Greek and back, which is actually remarkably understandable apart from the untranslatable words...

Existed three individuals
came out from the west,
their chances for in order to try
also these three individuals
made a serious oath
John Barleycorn to die
They've that orgw'cike should,
they've sparme'nos,
they've this threw in the clods above in his head
and these three individuals made a serious oath
John Barleycorn was deads