Complex sentence: Another story of his death is that he demanded Melaghlin's daughter in marriage, and that while pretending to agree, Melaghlin sent Turgesius 12 beardless youths disguised as his daughter and her attendants but who were in reality assassins.
Split into simpler sentences: Another story of his death is that he demanded Melaghlin's daughter in marriage. While pretending to agree, Melaghlin sent Turgesius 12 beardless youths, disguised as his daughter and her attendants, who were in reality assassins.