America's Richest Families of 2016

Today, Forbes released the list of America’s 25 wealthiest families for 2016. Collectively, they are worth $722 billion, which is down $11 billion (1.5%) from last year.
Here are the top 5 family fortunes in the U.S.:
1. The Walton Family

Net Worth: $130 billion
Wealth Source: Wal-Mart
2. The Koch Family

Net Worth: $82 billion
Wealth Source: Industrials
3. The Mars Family

Net Worth: $78 billion
Wealth Source: Mars Candy
4. The Cargill-MacMillan Family

Net Worth: $49 billion
Wealth Source: Cargill Inc.
5. The Cox Family

Net Worth: $41 billion
Wealth Source: Media