Castiglione, Count, an accomplished Italian, born in Mantua; author of “II Cortegiano,” a manual for courtiers, called by the Italians in admiration of it “The Golden Book”; had spent much of his time in courts in England and Spain, as well as Rome, and was a courtly man (1478‒1529).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Castiglione * Castile