The images went on sale Tuesday on a marketplace website called Instacanvas , and proceeds will go to her two sons , ages 9 and 11 , according to family friend Marjorie Ryan . Proceeds from photo sales will be used to support Sierra 's sons , family friend says . Comment: An estimated 9 million people travel to Istanbul each year .
Proceeds from photo sales will be used to support Sierra 's sons , family friend says . Comment: An estimated 9 million people travel to Istanbul each year .