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He was also the brother of Mencía Garcés , wife of Fortún Ochoiz , also an illegitimate daughter of the king , although it is not known if Sancho and Mencía shared the same mother .
 Garcés, Fortún Ochoiz, Sancho
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Garcés, Fortún Ochoiz, Sancho