Try theses web sites: WWW.Public
Records.com , Facebook, MySpace, USsearch.com , pipl.com , Check with Social Security , Check with your Dads state D.M.V , Check your Birth Records to see whos name is on it and what state you were born in. WWW.
People finder.com , If all else fails Hire a Freakin Private Investagtor ( P.I.) JUST DONT GIVE UP ON YOUR Farther/Dad he want live forever you know 9 times out 10 He don't even know your alive and whos fault is that???