Bilge Khan= Wise ruler.
Alp Arslan: brave, courageous lion.
Kl Arslan: Sword Lion
Tughrul Begh: white falcon.
Chagri (Chakir) Begh: Blue eyed man.
Kutalmish: Owns holy power.
Selchuk: A man gifted with beautiful speaking ability.
Attila: Not sure, but probably "atl han" and great, famous, which means the horseman han in Turkish.
Dengizik (Tenghiz-Deniz) the Hun: Sea, blue eyed person.
Toktamish Khan: A person who is calm, who found his home, quiet.
Kutalmishoglu Suleyman Shah: son of Kutalmish, Solomon ( ease in Hebrew, also a prophet ) the ruler.
Alp Tigin(Tekin): Courageous, unique ruler, who doesnt have badness inside.
Alp Er Tunga (Afrasyab): Brave and honorable male tiger.
Atsiz the Khwarezmian: Horseles ( At=horse ) from Khwarezm.
Ertughrul Begh: Male white falcon.
Atabegh Zangi: Ata (Father), Begh (Head, chief), not sure about "Zangi"
Orkhan Gazi: The great ruler of a city.
Osman (othman) Gazi: Kind of hunter bird or dragon, powerful.
Timur/Tamerlane (Timur-Mongolian, Temir-Turkish): Iron, strong.
Fatih Sultan Mehmet: Fatih=Conquerer Sultan Mohammad( Mehmet in Turkish)
Yldrm Bayezit: Yldrm=thunderbolt (in Turkish)