Who is Junior and Ted Redfield from Passing and what is their importance?

Junior and Ted Redfield are Irene and Brian's children. Irene is a hands-on mother and, who cares deeply about everything that happens in her children's lives. This trait leads to a great deal of trouble between Irene and her husband. Brian sees the care of his children as his responsibility, and she resents his desire to tell their children the truth about racial prejudice, as Irene desires to protect them from it rather than expose them to it.