Hi,
I'm married for 2 years and I get pregnant 2 months when my husband abandoned me and left me in room we rent,here my question I apply annullment for him because imy fiancé applying a petition for me and for my son but he using the surname of the father do I need a consent of my x-husband.. thanks

You need the consent of the father to get a passport. But absent any court order for custody and visitation you can travel within the Philippines.