mishy1952 on Family Tree Circles

i have been looking for my halfsister for over 15 years!!! Maybe someone on this site might be able to help me.Please help as i am desperate to find her. she was born on the 27th sept at ouse hospital in tasmania in 1957.all i know is she has a daughter called Loretta. DO NOT know her married nmae for certain but think it maybe bosworth or boswell. Her father & mother's nmaes Walteer (wally) & Joan. I am the youngest daughter of wally from his first marriage,cheryl is the first daughter from dads second marriage. We have never met and i am desperate to find my sister.Sadly Walter died and i never got to find where she is .joan her mother,I cannot make contact with not sure if she is still alive.Even if someone knows of joan please help me.Wishing everyone the best of luck in finding their families .God be with you all Regards Mychel.