 He was one of szlachta members loyal to the heritage of the Grand Duchy of Lithuania, referred to as Krajowcy.His father was Michał Kazimierz Römer and mother was Konstancja Tukałła.He attented the Law School in Sankt-Peterburg (1893-1901) and later studied history in Kraków (1901-1902), after that he moved to Paris to study in École des sciences politiques (1902-1905).