GültekinTurkish From Turkish gül meaning "rose" combined with the title tekin meaning "prince".
GultekinTurkish It comes from "Kül Tigin" (? - 575 AD) who was a general of the Second Turkic Kaganate (Göktürks' khaganate). He was a second son of Ilterish Shad and the younger brother of Bilge Kagan.
GünaltayTurkish From Turkish gun meaning "sun, day" and altun meaning "gold". A famous bearer was the Turkish prime minister Şemsettin Günaltay (1883-1961).
KorutürkTurkish Means "protector of the Turks", derived from the Turkish verb korumak "to protect". This name was acquired by Turkish president Fahri Korutürk (1903-1987). It was given to him by Mustafa Kemal Atatürk, the founder of modern Turkey (the verb korumak refers to Atatürk's expectation of Korutürk to preserve his legacy).