At the age of 18 , he married Nasr - ol - Din Shah 's granddaughter , Khanom Esmat el Molouk .
At the age of 18 , he became a member of the royal family .
At the age of 18 , he married Nasr - ol - Din Shah 's granddaughter , Khanom Esmat el Molouk , and became a member of the royal family .