Ayyub Khan
Encyclopedia
Ayyub Khan (?-1117) was a ruler of Kypchak commonwealth. He was a grandfather of Andrew the Pious. There is some information about his war against Vladimir Monomach. Later Kypchak, still ruled by Ayyub, also attacked Volga Bulgaria
in union with Kievan Rus.
Volga Bulgaria
Volga Bulgaria, or Volga–Kama Bolghar, is a historic Bulgar state that existed between the seventh and thirteenth centuries around the confluence of the Volga and Kama rivers in what is now Russia.-Origin:...
in union with Kievan Rus.