ARMS Gonzaghi Mantua. Heraldic blazon of Gonzaga next 1530. Silver with red cross and corners four black eagles; on the whole; a shield: Quarterly; first and fourth red on a gold lion crowned (Kingdom of Bohemia); in the second and third bands of gold and black. The ducal crown topped by the word fides (faith) refers to the ducal title granted by the Emperor Charles V; and the writing in greek Olympos (Olympus) enterprise Olympians Federico II Gonzaga. From "Theatre of Arms; namely General Collection of Arms and noble signs of the most illustrious and noble houses that existed at one time and still flourish throughout Italy; illustrated with relevant genealogical-historical notions by Leo and Francesco Tettoni Saladini". Cl. Wilmant and children; Lodi; 1841-1851