Genesis stated 2 different men named Enoch. Cain's son died before the Flood.
Jared's son was only 1 of 2 men taken to Heaven to be with God without dying. The other man was the prophet Elijah.
Jared's grandson, Methuselah, had the longest recorded human lifespan.
Adam > Cain > Enoch > Irad
Cain and his wife give birth to Enoch and build a city named after him - Genesis 4:17-18
17. Cain lay with his wife, and she became pregnant and gave birth to Enoch. Cain was then building a city, and he named it after his son Enoch.
18. To Enoch was born Irad, and Irad was the father of Mehujael, and Mehujael was the father of Methushael, and Methushael was the father of Lamech.
Adam > Seth > Enosh > Kenan > Mahalalel > Jared > Enoch > Methuselah
Genesis 5:1-24
1. This is the written account of Adam's line. When God created man, he made him in the likeness of God.
2. He created them male and female and blessed them. And when they were created, he called them "man."
3. When Adam had lived 130 years, he had a son in his own likeness, in his own image; and he named him Seth.
4. After Seth was born, Adam lived 800 years and had other sons and daughters.
5. Altogether, Adam lived 930 years, and then he died.
6. When Seth had lived 105 years, he became the father of Enosh.
7. And after he became the father of Enosh, Seth lived 807 years and had other sons and daughters.
8. Altogether, Seth lived 912 years, and then he died.
9. When Enosh had lived 90 years, he became the father of Kenan.
10. And after he became the father of Kenan, Enosh lived 815 years and had other sons and daughters.
11. Altogether, Enosh lived 905 years, and then he died.
12. When Kenan had lived 70 years, he became the father of Mahalalel.
13. And after he became the father of Mahalalel, Kenan lived 840 years and had other sons and daughters.
14. Altogether, Kenan lived 910 years, and then he died.
15. When Mahalalel had lived 65 years, he became the father of Jared.
16. And after he became the father of Jared, Mahalalel lived 830 years and had other sons and daughters.
17. Altogether, Mahalalel lived 895 years, and then he died.
18. When Jared had lived 162 years, he became the father of Enoch.
19. And after he became the father of Enoch, Jared lived 800 years and had other sons and daughters.
20. Altogether, Jared lived 962 years, and then he died.
21. When Enoch had lived 65 years, he became the father of Methuselah.
22. And after he became the father of Methuselah, Enoch walked with God 300 years and had other sons and daughters.
23. Altogether, Enoch lived 365 years.
24. Enoch walked with God; then he was no more, because God took him away.
Reference only: Luke 3:37, Hebrews 11:5 and Jude 1:14