He finished reserve officers artillery school (in Włodzimierz Wołyński) and In WW2 served in the 1st Regiment of Horse Artillery (1 DAK). He was gravely wounded which saved him from prisoners of war death camp in Katyń. During the German occupation he was active in Polish underground resistance movement (first NSZ, National Military Organization and than AK, the Home Army). Together with his wife Aleksandra, her sister Jadwiga and brother in law Władydysław Olizar, he sheltered and protected a Jewish family in their Szeligi estate, near Warsaw. In 1944 he fought in the Warsaw Uprising.