Pushkin was born into Russian nobility in Moscow. His father, Sergey Lvovich Pushkin, belonged to Pushkin noble families. His matrilineal great-grandfather was Abram Petrovich Gannibal. He published his first poem at the age of 15, and was widely recognized by the literary establishment by the time of his graduation from the Tsarskoye Selo Lyceum. Upon graduation from the Lycee, Pushkin recited his controversial poem "Ode to Liberty," one of several that led to his being exiled by Tsar Alexander the First. While under the strict surveillance of the Tsar's political police and unable to publish, Pushkin wrote his most famous play, the drama Boris Godunov. His novel in verse, Eugene Onegin, was serialized between 1825 and 1832.