I. The Birth of Isaac
A. The LORD kept his word and promise
B. The Son of Laughter was circumcised
C. Sarah Laughed
II. The Banishment of Ishmael
A. Sarah feels threatened
B. Ishmael and Hagar are banished
C. Abraham has to trust the Lord for his other son.
D. God Rescues and Prospers Ishmael
III. The Blessing of Beersheba
A. The blessing of Peace (non aggression)
B. The blessing of Land (well rights)
C. The planting of a tree