298505
According to the Book of Leinster , Finsnechta recovered his throne by defeating the two sons of Ruaidrí - probably Muiredach and his brother Diarmait .
 Ruaidrí, Muiredach
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ruaidrí, Muiredach