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He was the brother-in-law of Saint Boniface ( Archbishop of Mainz ) and father of Saint Willibald ( Bishop of Eichstätt ) , Saint Winnebald or Winibald ( Abbot of Heidenheim ) , and Saint Walburga ( Abbess of Heidenheim ) .
 Saint Boniface, Willibald, Eichstätt, Winnebald or Winibald, Heidenheim, Walburga, Heidenheim
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Saint Boniface, Willibald, Eichstätt, Winnebald or Winibald, Heidenheim, Walburga, Heidenheim