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The Senate agreed with the succession, and granted to Tiberius the same titles and honors once granted to Augustus: the title of "princeps" and "Pater patriae", and the Civic Crown. However, Tiberius was not an enthusiast of political affairs: after agreement with the Senate, he retired to Capri in 26 AD, and left control of the city of Rome in the hands of the praetorian prefect Sejanus (until 31 AD) and Macro (from 31 to 37 AD). Tiberius was regarded as an evil and melancholic man, who may have ordered the murder of his relatives, the popular general Germanicus in 19 AD, and his own son Drusus Julius Caesar in 23 AD.