LXX2012(i)
15 And God said to Abraam, Sara your wife—her name shall not be called Sara, Sarrha shall be her name.
16 And I will bless her, and give you a son of her, and I will bless him, and he shall become nations, and kings of nations shall be of him.
17 And Abraam fell upon his face, and laughed; and spoke in his heart, saying, Shall there be a child to one who is a hundred years old, and shall Sarrha who is ninety years old, bear?
18 And Abraam said to God, Let this Ismael live before you.
19 And God said to Abraam, Yes, behold, Sarrha your wife shall bear you a son, and you shall call his name Isaac; and I will establish my covenant with him, for an everlasting covenant, to be a God to him and to his seed after him.