My father is a Hong Konger, but he had several children with several women. Is he breaking the law?

Legally, your sister and you are illegitimate children belonging to your father. It is very important whether your father legally recognizes your relationship.

If he recognizes your relationship, it is very important. If they are his children, then you can apply for child support. Of course, you are already 18 years old and have become an adult. The law does not support your claim to ask your father for child support unless you have no ability to live, are disabled or otherwise incapable of working. ;

If your father does not recognize you as his children, then you need to apply for a father-son or father-daughter relationship appraisal.

Your father is not married to your mother or other women, so he is not guilty of bigamy.

If you want to ask for compensation from your father, you must first confirm whether you are related as father, son and father, and provide proof of whether you really need his payment to live. Otherwise, Support is hard to come by. It's best for you and your family to negotiate and resolve the matter.