 At first the representatives of the Grand Duchy of Lithuania refused to recognize Báthory as grand duke, and demanded concessions - that he return the estates of his wife Anne to the Lithuanian treasury, hold Sejm conventions in both Lithuania and Poland, and reserve the highest governmental official offices in Lithuania for Lithuanians.He accepted the conditions.In June Báthory was recognized as Grand Duke of Lithuania, Duke of Ruthenia and Samogitia.