Question:  the son of Husayn Bayqarah, who was a great-great-grandson  of the man historically known as Amir Timur and Tamerlane, was the ruler of where?
Sentence (from "Timur"): Timur (Persian: تیمور‎ ‎ "Temūr", Chagatai: "Temür "; 9 April 1336 – 18 February 1405), historically known as Amir Timur and Tamerlane (Persian: تيمور لنگ‎ ‎ "Temūr(-i) Lang", "Timur the Lame"), was a Turco-Mongol conqueror.
Relevant evidence: Yes