If you have dreamed of marrying brother to sister in a dream: The thoughts in your head can trigger your imagination, There may be someone around you that you need to take some precautions about immediately. To marry brother to sister in a dream indicates that this person will get support from his brother, to see his help, to act in unity and solidarity. It is also referred to as a sign that a person will have a happy family life, be in unity and togetherness, and lead a peaceful life.