Searching for family

Hi. I'm looking for my Korean family. I was given up on July 23, 1975 in the Yongsan neighborhood in Seoul. I was found on a neighbor woman's doorstep. She brought me to the Yongsan police station and I went into foster care from there. I may be of mixed blood, but I am not sure. Please get a hold of me if you think I may be of your family. Beth(Kim Hei Kyong)