Starts with the creation of the world and tells stories of the first people and big floods. It also talks about Abraham's family and their journeys.
So Abram departed, as the LORD had spoken unto him; and Lot went with him: and Abram was seventy and five years old when he departed out of Haran.
Abram left as God told him to, and Lot came along. This happened when Abram was 75 years old, and they both left Haran.