Wife of which Roman Emperor owner a brother and herself worked there?

The wife of Roman Emperor Claudius, Messalina, was so lustful and depraved,that it struck accustomed to many contemporaries. According to the historians Tacitus and Suetonius, it not only contained in the Rome public building, butthere she moonlighted as a prostitute, serving customers in person. She evenheld a contest with another well-known prostitute and won it, to serve 50 clients to 25. 

SOURCE: http://en.wikipedia.org/wiki/Valeria_Messalina

IMAGE: www.wikipedia.org