You really believe that?
We have gone way down.
Genesis 5 -
9 When Enosh had lived 90 years, he became the father of Kenan.
10 After he became the father of Kenan, Enosh lived 815 years
and had other sons and daughters. 11 Altogether, Enosh lived
a total of 905 years, and then he died.
12 When Kenan had lived 70 years, he became the father of Mahalalel.
13 After he became the father of Mahalalel, Kenan lived 840 years and
had other sons and daughters. 14 Altogether, Kenan lived a total of 910 years,
and then he died.
15 When Mahalalel had lived 65 years, he became the father of Jared.
16 After he became the father of Jared, Mahalalel lived 830 years and had
other sons and daughters. 17 Altogether, Mahalalel lived a total of 895 years,
and then he died.
18 When Jared had lived 162 years, he became the father of Enoch.
19 After he became the father of Enoch, Jared lived 800 years and
had other sons and daughters. 20 Altogether, Jared lived a total of 962 years,
and then he died.
Some were still siring children after age 800.
I think you need to give your theory more thought.
