 Part of the lowland tribes were occupied by Mongols.The insurgency against Mongols began.In 1991 the Jordanian historian Abdul-Ghani Khassan presented a photocopy from old Arabic scripts claiming that Alania was in Chechnya and Ingushetia, and the document from Alanian historian Azdin Vazzar (1395–1460) who claimed to be from Nokhcho (Chechen) tribe of Alania.