385996
Her husband was the eldest child and heir of George , Duke of Mecklenburg , head of the House of Mecklenburg-Strelitz and his first wife Irina Raievskya .
 person: George , Duke of Mecklenburg
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: George , Duke of Mecklenburg 
Answer:
 person: George , Duke of Mecklenburg