If their constitution says it's okay to sleep with your sister, then that's what we let them get on with.

She was warned not to sleep with her sister who was dying of decline.

But how could one slander a man who openly slept with his own sister?

Just because you're sleeping with my sister doesn't make you my big brother.

By the time he is 15, our hero is sleeping with his sister.

Just to drive the stake in a little deeper, he slept with her sister.

I'll come by later to install it and sleep with your sister.

"You want to sleep with my sister," he snapped.

He had just begun, like all the Bay children of that age, to sleep with his sister.

Because I sleep with their sister, who kept house for her brothers.