Please help urgently F2B

[mugo]

I am an applicant of F2B visa category waiting to take my interview with the US Embassy. I have the appointment letter already. I have kids with a lady that am not married to and didn't mention them in the ds-260 form. I wish to get married to her once I get to the US and bring them with me later after legally marrying her. Should I disclose to the agent at the interview? If I don't and sometimes later I marry the lady will it be complicated to bring them with me? Can I be denied a visa for disclosing that? The children have my names as the father on the birth certificates. Does F2B visa category allow derivative children. Thanks

[dhira_98]

Is it very common in your country to have kids without marriage?
Why did you not disclose on DS-260?
Why do you want to disclose it now?
Do your kid and girlfriend live with you?

F2B does allow derivatives.