Abraham: Age of, at Different Periods
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Genesis 12:4
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 16:16
Abram was eighty-six years old when Hagar bore Ishmael to him.
Genesis 21:5
Abraham was a hundred years old when his son Isaac was born to him.
Genesis 25:7
Abraham lived a total of 175 years.