 Complete the following phrase:  In the 1850s Alfonso spent his early childhood with his mother and older brother in the Duchy of Modena; it is there he received his early homeschooling. Due to the revolutionary turmoil of 1859 the family left for Austria, hosted by the ex-emperor, Ferdid I; they settled in Prague, which remained their key residence until 1864. Their attempt to settle in Venice, resulting from health concerns, was aborted due to the 