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Background One of several children of Count Theodoric II of Falkenburg and Berta of Limburg , Beatrice was born into the Rhineland aristocracy .
 Falkenburg, Beatrice
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Falkenburg, Beatrice