His mother and father would know what he had done, however.

We went to the same school, and my mother knew his.

But his mother knew what sort of a boy he was.

His mother knew better than to try to get him back.

How can a mother know what her son will do?

I think deep down my mother must have always known about me, but on another level she never knew at all.

So what if his own mother doesn't know who he is.

At 53 my mother doesn't know what she wants to do with the rest of her life.

Your mother has known him since she was a child.

Your mother knew nothing of what I am about to tell you.