SCP-999 WAS CONCEIVED BY THE SEVENTH BRIDE (SCP-231-7), WHO HAD BEEN IMPREGNATED BY THE SCARLET KING. THE SCP FOUNDATION PERFORMED THE PROCEDURE 110-MONTAUK TO PREVENT THE SEVENTH BRIDE FROM GIVING BIRTH TO SCP-999 UNTIL THE O5 STOPPED THE PROCEDURE 110-MONTAUK AND ALLOWED THE BIRTH OF SCP-999.