267699
As a member of the Mars family , his share of the company and other assets were worth US$ 10 billion in September 2010 , down from US$ 11 billion in March 2010 .
 Mars
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mars