Pedzisa mutsara unotevera: Diokno akaberekerwa muManila, mwana wokutanga pavana vatanhatu vaJose Manuel "Chel" Diokno, gweta uye mutungamiri wekutanga weDe La Salle University (DLSU) College of Law, uye Divina Aromin, munyori. Akatumidzwa zita rasekuru vake, mushakabvu wePhilippine senator uye murwi werusununguko, Jose W. Diokno, baba vekodzero dzevanhu uye muvambi weFree Legal Assistance Group (FLAG), akafa mwedzi mitanhatu asati azvarwa. Sekuru-sekuru vaPepe ndiGen. Ananías Diokno, mutungamiri wemauto eVisayan panguva yeRevolution ya1896 uye
hondo neUnited States.