Why are all of the genealogies listed in the Bible?

Genesis

The genealogies in Genesis Chapters 5, 10, and 11 may be boring to read, but they are very important in understanding population growth and Jesus’ family tree.  In the Gospels of Matthew and Luke you will see that Jesus was a direct descendant of Adam.   You can also use the genealogies to calculate the age of the Earth according to the Bible.  To begin, we know that there were 6 literal days during the Creation Week.  When Adam was 130 years old, he fathered his son Seth.  That was after 130 years of earth history.  When Seth was 105 years old, he fathered his son Enos.  Add 130 to 105 and you get a total of 235 years of earth history.  When Enos was 90 years old, he fathered his son Cainana.  Add 235 to 90 and you get 325 years of earth history.  Continue on in this formula and that is how the young earth age is calculated.  For a continuation of this topic see the article “How old is the Earth according to the Bible?”

Bible history timeline (Source: Answers in Genesis) Bible history timeline (Source: Answers in Genesis) Bible history timeline (Source: Answers in Genesis)