Please Help! A Raisin in the Sun Family Relationship?!?

-Can someone PLEASE explain to me the dynamics of the family in a Raisin in the Sun? i read the play a while ago so i kind of forget...so if anyone could refresh my memory as to what the family is like that would be great:))) THANK YOUWalter jr is greedy and wants to use the money to own a liqour store.

Ruth is Walter jrs wife and just wants to be happy. They have a kid together. I forgot his name. Ruth is pregnant with a second child.

Bennie is the sister of Walter and is in college to become a doctor.

Moma is the mom of Bennie and Walter and the dad has died and she wants to buy a place the family can call there own with the money.