24 years after first promising to establish a covenant with Abram, the Lord finally reveals his detailed covenant plans to Abram and his wife Sarai: they will conceive within a year and give birth to a son, Isaac, who will be the progenitor of an entire race of "chosen people" enjoying a special relationship with God through whom the entire world will be blessed. As part of their spiritual transformation, the Lord renames Abram to Abraham, meaning "the father of many nations", and his wife Sarai to Sarah, meaning "God's princess".