And unto Eber were born two sons: the name of the one was Peleg; because in his days the earth was divided: and his brother's name was Joktan.
All Commentaries on 1 Chronicles 1:19 Go To 1 Chronicles 1
Richard Challoner
AD 1781
Heber, from whom the Hebrews descended, because of a prophecy gave his son the name Phaleg which means 'division', on account of the fact that in his days the languages were divided up in Babylon. (St. Jerome On Hebrew Names)