When Enoch had lived 65 years, he became the father of Methuselah.1
References for Genesis 5:21
And after he became the father of Methuselah, Enoch walked with God2 300 years and had other sons and daughters.
References for Genesis 5:22
Altogether, Enoch lived 365 years.
Enoch walked with God;3 then he was no more, because God took him away.4
References for Genesis 5:24