Sam Walton has three surviving children: Rob, Jim, and Alice. The heirs to the Walmart (WMT - Get Report) fortune are in the top twenty richest people in the world.

Just how rich is the Walton family and will they feel pressure as profits are weight down from the shift of more people shopping online and signing up for Amazon (AMZN - Get Report) ?  Read the whole article here.

This article was written by a staff member of TheStreet.