Looking for Grays Sydney Nsw

MY NAME IS MANDY I MET A MAN FOUR YEARS AGORONALD MAURICE WILLIAM GRAY KNOWN AS RONNY GRAY, HE WAS FROM LOWER BLUE MOUNTAINS, OUR RELATIONSHIP ENDED WHEN WE LEARNED I WAS PREGNANT, I HAVE A SON WHO HAS NO FAMILY BUT ME, I DESPERATELY WANT TO FIND HIS RELATIVES. BY ALL RIGHTS HE IS A BLOOD GRAY AND I WOULD LIKE TO HELP FIND HIS FAMILY