30 And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house; and circumcised the flesh of their foreskin in the selfsame day, as God had said unto him.
31 And Abraham was ninety and nine years old when he was circumcised in the flesh of his foreskin.
32 And Ishmael was thirteen years old when he was circumcised in the flesh of his foreskin.
33 In the selfsame day Abraham was circumcised, and Ishmael his son; and all the men of his house, which were born in his house, and bought with money of strangers, were also circumcised with him.
Genesis 18 Intro: The Lord appears to Abraham -- Lot being warned of God, flees.
1 And the Lord appeared unto Abraham in the plains of Mamre. And he sat in his tent door in the heat of the day;
2 And he lifted up his eyes and looked, and lo, three men stood by him; and when he saw, he ran to meet them from his tent door, and bowed himself toward the ground, and said;
3 My brethren, if now I have found favor in your sight, pass not away I pray you from thy servant.
4 Let a little water I pray you be fetched, and wash your feet, and rest yourselves under the tree, and I will fetch a morsel of bread, and comfort ye your hearts; after that you shall pass on; for therefore are ye come to your servant. And they said, So do, as thou hast said.
5 And Abraham hastened into the tent unto Sarah, and said, Make ready quickly three measures of fine meal, knead, and make cakes upon the hearth.
6 And Abraham ran unto the herd, and fetched a calf, tender and good, and gave it unto a young man, and he hasted to dress it.
