When Methuselah had lived 187 years, he became the father of Lamech.
References for Genesis 5:25
After he became the father of Lamech, Methuselah lived 782 years and had other sons and daughters.
Altogether, Methuselah lived a total of 969 years, and then he died.
When Lamech had lived 182 years, he had a son.
He named him Noah and said, “He will comfort us in the labor and painful toil of our hands caused by the ground the LORD has cursed.”
References for Genesis 5:29
After Noah was born, Lamech lived 595 years and had other sons and daughters.
Altogether, Lamech lived a total of 777 years, and then he died.
After Noah was 500 years old, he became the father of Shem, Ham and Japheth.
References for Genesis 5:32