 Famous for his eloquence, Sirvydas spent 10 years of his life preaching sermons at St. Johns' Church in Vilnius (twice a day – once in Lithuanian and once in Polish).He was born in Lithuania some time between 1578 and 1581, in the village of Sirvydai near Anykščiai.In 1612, he became a professor of theology at the Academia Vilnensis, the predecessor of Vilnius University.