Edigu

Edigu (also Edigü, Edigey, Eðivkäy or Edege Mangit; died 1419) was a Turco-Mongol emir of the White Horde who founded a new political entity, which came to be known as the Nogai Horde. He was the leader of the eastern begs and became a dominant figure in the Golden Horde by the end of the 14th century.

Source: Wikipedia — https://en.wikipedia.org/wiki/Edigu