We are assuming that because she is a single mother, with no father listed, and no history of ever having a father, that it will suffice with the Visa process. My step daughter is 11. My wife went to a lawyer. I might be wrong, but I think it cost around 20 000 php...so around $500 cdn. The lawyer made application to the courts. The father (step sons), to the best of our knowledge, moved to the United States. Since the courts need to do due diligence, letters have been sent to his last known address, to give him the opportunity to appear in defence of his parental rights. The case comes up on May 14. Whether he has received these notices isn't known, until then.