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The Lord spoke to both Isaac and Jacob , Abraham 's son and grandson respectively , at Beer-sheba ( ) .
 person: Isaac; person: Jacob; person: Abraham
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Isaac; person: Jacob; person: Abraham