Some years ago a friend of mine had an affair with a married man and he left his wife and children to live with my friend. The man was sent some sort of legal document about separation stating that my friend was not to have contact with the children. I remember her showing me the document although I can't remember what it said now. I have always been under the assumption that this can still happen - can it? I am just curious really as I see a lot of threads saying that when a husband leaves a wife can't stop the OW seeing the children whereas in my friend's case she was prevented from doing so. The relationship didn't last and he went back to his family. Any family lawyers able to clarify?