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A series of inquisitions post mortem that were held following a writ issued on 10 April 1321 established that Thomas ' heirs were his father 's sisters ; Margaret , the wife of Bartholomew de Badlesmere and Maud , the wife of Sir Robert de Welle .
 Margaret
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Margaret