please help me .

my little brother was adopted by another family 12 years ago and i want to meet him. well talk to him first then see what happens he was adopted by a doctor and a teacher and i miss him so much so does his 3 other sisters and brother my mother stresses over hiim not being with us his name is Joseph anthony David hope they didnt change his name buht his adoptive fathers name is Joseph as well i just wanna find him : / its been killing me not knowin who he is or how he is i just noe he looks just like me.