Legal Question in Family Law in California

I assume your daughter is a U.S. citizen. If so, she has the right to stay here, of course, if she were an adult. However, since she's a minor, the mom could take her with her. If you do not want that, you would need to file a Petition for Custody and Support of Minor Children with the court and request legal and physical custody of your daughter, or come to an agreement with the mom about leaving the girl here with you.

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