105768
Matthews ' paternal grandfather was killed fighting for the Confederacy during the American Civil War , with his father subsequently orphan ed shortly after the war and left to fend for himself at a very young age .
 Matthews, Confederacy, Civil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Matthews, Confederacy, Civil