7597
His mother , Maria , was the illegitimate daughter of Edward Walpole and granddaughter of Robert Walpole .
 person: Maria; person: Edward Walpole; person: Robert Walpole
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: Maria; person: Edward Walpole; person: Robert Walpole