3501
Their son was William Bourchier , 1st Count of Eu ( 1386–1420 ) .
 person: William Bourchier , 1st Count of Eu
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: William Bourchier , 1st Count of Eu