Otto II the Black
Otto II "the Black" (? - Feb 18, 1126), Duke in Brünn (1123-1126) and Olmutz (1091-1110) & (1113-1126) was the younger son of Otto of Olomouc and Euphemia of Hungary. He was also the grandson of Bretislaus I, Duke of Bohemia. Around 1113 he married Sophia of Berg and had three children, Otto III, Svatopluk and Euphemia.