Disclaimer: This is what I envision the characters to look like, but if you imagine them differently without denying their ethnicity, as Constance is Puerto Rican and Amir is Turkish-German, then you're free to do so.

Constance

Amir

Aunt Leyla

Uncle Jacob

Leopold

Amir's mother

Constance's grandma

Amir's dad

Constance's dad

Patricia