290092
Claude recalls his African-American family ( including his twin brother , Shelby and two other siblings ) as being deeply interested in social issues and the civil rights movement , as these were very much on American minds at the time .
 Claude, Shelby
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Claude, Shelby