Genesis 11:17-21

And Eber lived after he begat Peleg four hundred and thirty years, and begat sons and daughters.

And Peleg lived thirty years, and begat Reu:

And Peleg lived after he begat Reu two hundred and nine years, and begat sons and daughters.

And Reu lived two and thirty years, and begat Serug:

And Reu lived after he begat Serug two hundred and seven years, and begat sons and daughters.