looking for half brother

Originally Posted By melissa louisHi my name is Melissa and im looking for a brother that was my mothers first born . Im not sure what year he was born but it was somewhere around the early to mid fiftys . my mothers maiden name was Joan Patricia Fogarty and the sons name was shaun .my mother married 28th January1957 and i know that he was born before this. I cannot be positve but as far as i have been told she stayed in a hostel in Thomastown Victoria and the adoption may have been organised through them. My mother has not told us any details .