Christopher, you ask, "It says that Abram called upon the name of the Lord please pardon me if I ask a foolish question but what is the name of the Lord?" Calling on the name of the Lord means to pray to the Lord. It simply means that Abram began praying to the Lord.
Bare in mind, the entire world was through the loins of NOAH - Therefore, these are relatives with different beliefs. (Family members)