Sayid Ahmad I was a khan

Khan (title)

Khan is an originally Altaic and subsequently Central Asian title for a sovereign or military ruler, widely used by medieval nomadic Turko-Mongol tribes living to the north of China. 'Khan' is also seen as a title in the Xianbei confederation for their chief between 283 and 289...

 of the Golden Horde

Golden Horde

The Golden Horde was a Mongol and later Turkicized khanate that formed the north-western sector of the Mongol Empire...

 from 1427 or 1433 until his death in 1435. Unlike the last five of six khans, Ahmad was not a descendant of Tokhtamysh

Tokhtamysh

Tokhtamysh was the prominent khan of the White Horde, who briefly unified the White Horde and Blue Horde subdivisions of the Golden Horde into a single state. He was a descendant of Genghis Khan's eldest grandson, Orda Khan or his brother Tuqa-Timur...

 but Timur-Malik

Timur-Malik

Timur-Malik, also spelled Temür Malik, was the tenth Khan of the White Horde and a son of Urus Khan. Early in his reign, he invaded the lands of his cousin Toqtamysh and won a string of victories. Finally, Toqtamysh trapped him near Qara-Tal and defeated him...

, a cousin of Tokhtamysh.

Breakup of the Horde

While he died before the Horde dissolved, historians believe that Sayid Ahmad was responsible for creating the conditions in the khanate

Khanate

Khanate, or Chanat, is a Turco-Mongol-originated word used to describe a political entity ruled by a Khan. In modern Turkish, the word used is kağanlık, and in modern Azeri of the republic of Azerbaijan, xanlıq. In Mongolian the word khanlig is used, as in "Khereidiin Khanlig" meaning the Khanate...

which allowed it to happen.