The fair housing laws protect everyone from discrimination in the sale or rental of housing.  When based on race, religion, gender, disability, etc., the  allowing are discriminatory actions:

•     Refusing to rent or sell housing to you.
•     Sexually harassing a tenant
•     Falsely informing you that housing is unavailable.
•     Asking you to pay a different amount for rent or security deposit.
•     Excluding you from living in an apartment or neighborhood.
•     Evicting you based on the race of your friends or family.

Because you have children, your landlord CANNOT:

•    Limit where you live.
•    Charge you a higher rent or security deposit
•    Deny you housing.
  
  

Read More  (from the FHCSWM site)