Named that because his parents laughed when he was promised
Genesis 21:6
Circumcised at 8 days old
Genesis 21:4
Almost sacrificed by his father
Genesis 22
Genesis 22:5 “boy” is translated but this could also be a young man. Context shares that Isaac was old enough to carry wood along with making this journey with his old father. The actual age of him at this event is disputed but some say 18-33 is possible.