Niece 
Seeking your niece in dreams denote unforeseen hardships and needless anxiety over the future.
Relatives
To dream of the sight of your relatives denotes personal involvement with your family, and the emotions associated with them. This dream mirrors some aspects about yourself.
Sister In Law
To dream of your sister-in-law symbolizes attributes that the both of you may have in common. Also, contemplate the bond that you both share. If you are arguing with your sister-in-law, it may imply that you refuse to accept that you both have certain aspects or attributes in common.
Brother-In-Law
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.
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