24 So Abraham was ninety-nine years old when he was circumcised,
Genesis 17:24 Cross References - MSB
Genesis 12:4
4 So Abram departed, as the LORD had directed him, and Lot went with him. Abram was seventy-five years old when he left Haran.
Genesis 17:1
1 When Abram was ninety-nine years old, the LORD appeared to him and said, “I am God Almighty. Walk before Me and be blameless.
Genesis 17:17
17 Abraham fell facedown. Then he laughed and said to himself, “Can a child be born to a man who is a hundred years old? Can Sarah give birth at the age of ninety?”
Romans 4:11
11 And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised. So then, he is the father of all who believe but are not circumcised, in order that righteousness might be credited to them.