Genesis 17:23 And Abraham taketh Ishmael his son, and all those born in his house, and all those bought with his money -- every male among the men of Abraham's house -- and circumciseth the flesh of their foreskin, in this self-same day, as God hath spoken with him. (YLT)
Genesis 21:4 and Abraham circumciseth Isaac his son, 'being' a son of eight days, as God hath commanded him. (YLT)
Joshua 5:3 and Joshua maketh for him knives of flint, and circumciseth the sons of Israel at the height of the foreskins. (YLT)
Joshua 5:4 And this 'is' the thing 'for' which Joshua circumciseth 'them': all the people who are coming out of Egypt, who are males, all the men of war have died in the wilderness, in the way, in their coming out of Egypt, (YLT)