1240.
Verse 25 And to Eber were born two sons, the name of one was Peleg, for in his days the earth was divided; and his brother's name was Joktan.
'Eber' was the first founder of the second Ancient Church
and means that Church. He had two sons by whom the two aspects of worship are meant - internal and external His two sons were called Peleg and Joktan, 'Peleg' meaning the internal worship of that
Church, and 'Joktan' the external worship of that Church. 'For in his days the earth was divided' means that a new phase of the Church arose at that time 'the earth' here, as previously, meaning the Church.
'His brother's name was Joktan' means the external worship of that Church.