183088
He was the son of Richard de Clare , 6th Earl of Hertford and Maud de Lacy .
 person: Richard de Clare , 6th Earl of Hertford; person: Maud de Lacy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Richard de Clare , 6th Earl of Hertford, Maud de Lacy 
Answer:
 person: Richard de Clare , 6th Earl of Hertford; person: Maud de Lacy