Türk Secrets
Khiva khan Abu al-Ghazi Bahadur wrote in his Chagatai language treatise Shajara-i Tarākima (Genealogy on the Turkmens) that "their chin started to turn into slender, their eyes began to come to be large, their faces began to become compact, and their noses began to become major' just after 5-6 generations". Ottoman historian Mustafa Âlî commente