After the Tower of Babel circa 2200 b. c. (during the Ice Age), some of the progeny of Ham’s son Kush moved southeastwardly to where are named the Hindu Kush mountains and the ice age city Kushthali (submerged in the gulf of Kutch since circa 1500 b. c.), and southwestwardly from Mesopotamia to south of Egypt (Ai Guptos/Geb/Chemi/Ham) where became the Kingdom of Kush (Itopis/Ethopia was his son according to ethiopian legend), and Misr (the second son of Ham) another name of Egypt.