To dream of your aunt symbolizes the morals and attributes of your relatives. She may be a link to your ancestry and past. The aunt may also signify different personality traits that you possess. You may be accepting of these traits, or you may abhor them. The aunt may also represent a female replacement caregiver that you can confide in or relate to.
To dream of an uncle signifies your family qualities and birthrights. Seeing an uncle in your dream may also represent a rising alertness and new ideas.
To dream of your cousin suggests that you haven't been nurturing your natural talents or skills. You should encourage these attributes to grow and reach their potential.
If you dream that your cousin is ignoring you, this implies that you are not recognizing the attribute that is being referred to.
To dream that you or your sibling is in love with a cousin indicates that you recognize and understand the attributes that each of you possess.
If you dream of your actual brother-in-law, consider the situation and the circumstances in the dream. This dream has more to do with every details such as occurrences and events than a visual image of your brother-in-law.
If you currently don't have a brother-in-law but dream that you do or you're the one, it symbolizes your search for family and acceptance.