269964
Five sons of Muiredach are mentioned including Eochaid mac Muiredaig Muinderg ( died 509 ) and Cairell mac Muiredaig Muinderg ( died 532 ) , both kings of Ulaid .
 Muiredach, Eochaid mac Muiredaig Muinderg, Cairell mac Muiredaig Muinderg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Muiredach, Eochaid mac Muiredaig Muinderg, Cairell mac Muiredaig Muinderg