230778. I have a sister who I believe is an identical twin. I believe this was a private adoption through a single mothers home in Hornsby. I don`t believe that my twin is aware of the adoption as I have met two groups of people who know her (one in Aus & one o/seas) and who were very confused at meeting me. I wish I had asked more questions at the time but I didn`t. Heres what I know - her name is Melissa. she has a light brown circular birthmark over her right eye close to her nose and very hard to notice unless you know its there. she lived on the East Coast growing up. Also. she may have Crohns Disease as I do. If I find her I dont know if I will want to spoil her reality but if she is looking for me I would hate to have missed the opportunity