The brothers Stephen and Constantine Lekapenos, having deposed their father as Byzantine emperor a few weeks earlier, were themselves overthrown by Constantine VII, their co-emperor. Stephen Lekapenos: Stephen Lekapenos or Lecapenus was the second son of the Byzantine emperor Romanos I Lekapenos, and co-emperor from 924 to 945. With his younger brother Constantine, he deposed Romanos I in December 944, but they were overthrown and exiled a few weeks later by their brother in law, the legitimate emperor Constantine VII. Stephen lived out his life in exile on the island of Lesbos, where he died on Easter 963. January 27, 945. Wiki link