13522
His mother was the  Duchess  of Teck ( formerly  Princess Mary Adelaide of Cambridge  ) the youngest daughter of Prince Adolphus Duke of Cambridge and a granddaughter of King George III .
 title of person: Duchess, Princess Mary Adelaide of Cambridge
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 title of person: Duchess, Princess Mary Adelaide of Cambridge