Seth lived 807 years after Enosh was born. He also had other sons and daughters.
Adam lived 800 years after Seth was born. He also had other sons and daughters.
Seth lived 105 years. Then he became the father of Enosh.
Seth lived a total of 912 years. And then he died.
Kenan was the son of Enosh. Enosh was the son of Seth. Seth was the son of Adam. Adam was the son of God.