Kublai Khan
From Tardis Wiki, the free Doctor Who reference
Kublai Khan, Khubilai Khan or "the last of the Great Khans", was a 13th century emperor of the Mongols and an emperor of China. He was the grandson of Genghis Khan.
In 1289 he met the First Doctor, Ian Chesterton, Barbara Wright and Susan Foreman. (DW: Marco Polo)