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 foreskins in the same day, as God had said unto him.
Read Chapter 17
George Leo Haydock
His house. All were kept in such good order by their master, that none was found unwilling to submit, if indeed it was left to their choice. (Haydock)
Abraham loses no time in complying with God's commands. (Menochius)