If you dreamed that you had a relationship with your daughter: You may want to try new things, new beginnings in commercial matters. To see that you have intercourse with your daughter in your dream, for a father to have intercourse with his own daughter, is an act that is forbidden in real life, is a sin and is not accepted by the society. It is also a harbinger that the dreamer will betray his family and make mistakes. It is also said that no one will be left around because of the ugly deeds of the person.