Legal Question in Family Law in Nigeria

you did not explain what you mean by "sort of married". the fact that you did not have a church ceremony does not mean you are not married. If, for example, you got married under native law and custom, there is a marriage, in which case, you need to go to a customary court to get a divorce in accordance with that native law and custom.

as regards custody, there are many factors which the courts consider, the paramount of which is the welfare of the children. Their ages are also important. Generally, the courts will let children of tender age remain with their mother unless she is a danger, physically or morally, to the children.