Gratian was a mediaeval Roman noble, and son in law of Theophylact I, Count of Tusculum. Rome ( Roma ˈroma Roma is the capital city of Italy and Lazio, and is Italy's largest and most populous city with more than 2 Nobility is a government-privileged title which may be either hereditary (see Hereditary titles) or for a lifetime Theophylact I (before 864 &ndash 924 or 925) was a Roman nobleman and Count of Tusculum of Germanic origin who together with his wife