THE TWENTY FIRST GENERATION:
Haran begat Lot.  (Genesis 11:27)
Haran was the father of Milcah and the father of Iscah.  (Genesis 11:29)
​Haran died before Terah in his native land of Ur of the Chaldees.  (Genesis 11:28)

Abram and Nahor took wives:  Abram's wife was Sarai and Nahor's wife was Milcah, the daughter of Haran, the father of Milcah, and the father Iscah.  (Genesis 11:29)
Abram was 75 years old when he spoke with YAHWEH, took Lot, and departed out of Haran.  (Genesis 12:4)
YAHWEH tells Abram that his seed will be a stranger in a land that is nor theirs, and will serve them; and they will be afflicted for 400 years.  (Genesis 15:13)
Abram went into Hagar (Sarai's Egyptian maid), and she conceived.  (Genesis 16:3, 4)
Hagar bore Abram a son; Ishmael.  (Genesis 16:15)
Abram was 86 years old when Ishmael was born (Genesis 16:16)
Abram was renamed Abraham.  (Genesis 17:5)
Sarai was renamed Sarah.  (Genesis 17:15)
YAHWEH will establish the covenant with Isaac.  (Genesis 17:19-21)
YAHWEH requires every man to be circumcised as a sign of his covenant.  (Genesis 17:10, 11)
Abraham was 99 years old and Ishmael was 13 years old when they were circumcised.  (Genesis 17:24-26)
The age of the world was 2042 years when Ishmael was born.  ​(Genesis 1:24-31, 5:3,6,9,12,15,18,21,25,28, 7:6,11, 9:28, 29, 11:12, 14, 16, 18, 20, 22, 24, 26, 16:16)
The age of the world was 2055 years when Abraham and Ishmael were circumcised.  ​(Genesis 1:24-31, 5:3,6,9,12,15,18,21,25,28, 7:6,11, 9:28, 29, 11:12, 14, 16, 18, 20, 22, 24, 26, 16:16, 24-26)
Abraham called Sarah his sister; Sarah is his half sister.  (Genesis 20:2, 12)
​Nahor had children with Milcah; Huz, Buz, Kemuel (father of Aram), Chesed, Hazo, Pildesh, Jidlaph, and Bethuel.  (Genesis 22:20-22)
Nahor also had children with his concubine (Reumah); Tebah, Gaham, Thahash, and Maachah. (Genesis 22:24)
Abraham and Sarah had a son (Isaac) in their old age.  (Genesis 21:3)
Abraham was 100 years old when Isaac was born.  (Genesis 21:5)
The age of the world was 2056 years when Isaac was born.  (Genesis 1:24-31, 5:3,6,9,12,15,18,21,25,28, 7:6,11, 9:28, 29, 11:12, 14, 16, 18, 20, 22, 24, 26, 16:16, 24-26, 21:5)
Sarah died at the age of 127.  (Genesis 23:1)
Abraham took another wife (Keturah), and they begat children; Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah.  (Genesis 25:1, 2)
Abraham lived for 175 years.  (Genesis 25:7, 8)