Baidar

Baidar, also called Peta, was the sixth son of Chagatai Khan and a grandson of Genghis Khan. From 1235 to 1241 he joined the Mongol campaign into Europe alongside his nephew Büri, commanding the detachment sent into Poland with Kadan.

His troops crossed the frozen Vistula in February 1241, sacked Kraków, and on 9 April crushed an army under Duke Henry II the Pious at Legnica, where Henry was killed. After ravaging Moravia he rode south to join Batu in Hungary. His son Alghu later ruled the Chagatai ulus.