You are thinking of your sons--but do not you know that, of all things upon earth, _that_ is the least likely to happen, brought up as they would be, always together like brothers and sisters?
It is morally impossible.

I never knew an instance of it.

It is, in fact, the only sure way of providing against the connexion.

Suppose her a pretty girl, and seen by Tom or Edmund for the first time seven years hence, and I dare say there would be mischief.

The very idea of her having been suffered to grow up at a distance from us all in poverty and neglect, would be enough to make either of the dear, sweet-tempered boys in love with her.