The work on the inner decoration of the chapel had been started by Traiano Alicorni who commissioned Giulio Mazzoni in a contract dated to 15 October 1555.
The work on the inner decoration of the chapel had been started by Traiano Alicorni. This Traiano Alicorni commissioned Giulio Mazzoni in a contract. This contract was dated to 15 October 1555.