Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 1 year ago

Yes, your marriage is valid.

Your  stepfather has no say in your marriage. If you were virgin (first marriage) you needed permission of your  biological father if he has not removed himself from your life.

Even after marriage, if your biological father who looks after you agrees, the marriage is valid. In any way, according to what you have written, your marriage is valid.

Wassalam.

Mohammad Al-Musawi