So it's either from this Ur or that Ur. And Abraham is considered the first of the three significant patriarchs for the Jewish people. The other two are Isaac and Jacob. And once again, I could do a whole series of videos on the stories of Abraham. But Abraham's first son is Ishmael, who he has with the servant of his wife, Sarah, after they determined that they're not able to, or they don't think that they're able to have children. And according to biblical accounts, Ishmael is viewed as the progenitor, as the patriarch of the Arab people. But later in life, Abraham, and at this point, he is roughly 100 years old, and his wife, Sarah, according to biblical accounts, is in her 90s, they have Isaac, who is considered a significant patriarch in Judaism.