Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Generations of Noah:

"

Martin of Opava (c. 1250), later versions of the Mirabilia Urbis Romae, and the Chronica Boemorum of Giovanni de' Marignolli (1355) make Janus (the Roman deity) the fourth son of Noah, who moved to Italy, invented astrology, and instructed Nimrod.[citation needed]