Genisis 11

The whole earth had one language and the same words.

Which way did the people migrate from the east.

vs 5 Was God physically visible, when he came down to see the city and the tower. At that time God revealed to us that at that point that what they can get done because of the language that they had. So God confused the language, and the people were dispersed at that point.

When Shem was 100 years old, he fathered Arpachshad two years after the flood. After Shem lived after he fathered Arpachshad 500 years and had other sons and daughters.

Arpachshad had lived 35 years and fathered Shelah.
Arpachshad lived 403 years.

Shelah had lived 30 years and fathered Eber.
Shelah lived 403 years.

Eber lived 34 years and fathered Peleg
Eber lived 430 years.

Peleg lived 30 years and fathered Reu.
Peleg 209 years.

Reu lived 32 years and fathered Serug.
Rue lived 207 years.

Serug lived 30 years and fathered Nahor.
Serug lived 200 years.

Nahor lived 20 years and fathered Terah.
Nahor lived 119 years.

Terah had lived 70 years and fathered Abram, Nahor and Haran.
Haran fathered Lot.
Haran died before his father died. Abram and Nahor took wives.
The name of Abrams wife was Sarai
The name of Nahors wife was Milcah
the daughter of Milcah and Iscah.

The days of Terah was 205 years old.