And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:
From the genealogy of Adam through Seth in Genesis.
Genesis 5:13
King James Version (public domain)
Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him
Context
11And all the days of Enos were nine hundred and five years: and he died.
12And Cainan lived seventy years, and begat Mahalaleel:
13And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:
14And all the days of Cainan were nine hundred and ten years: and he died.
15And Mahalaleel lived sixty and five years, and begat Jared: