|Years||Total||BC||LXX Years||LXX total||LXX BC|
|1 Ch 1:1|
The Greek OT and Vulgate have the same name.
This is at least the third son born to Adam. See the story of Cain and Able in Gen 4:1-8.
Cain is traditionally said to be Adam's first son, but the Bible does not say hold old Adam was or if there were other children before Cain or between Cain and Seth.