It doesn't say how many years it took for the promise to be fufilled, but it does say that he was 99 years old when the promise was finally fufilled.
Ishmael was not the promised son from God. Ishmael came about because Sarah gave Abraham Hagar to produce a son thinking that they would help God out with His promise of a son. A big mistake. Abraham was 86 years old when Ishmael was born.
When Abraham was approximately 86 years old the Lord promised Abraham that he would have an heir, and that Abraham's descendants would be as numerous as the stars and to his descendants God would give them the land from the river of Egypt to the great river, Euphrates ( Genesis 15). This was a reassurance of the promise in Genesis 12. We know that about this same time period, Sarah told Abraham to go into her handmaid, Hagar, and that perhaps they might have an heir by her. This was a mistake. Ishmael was born from this union and about 14 years later a son, Isaac was born to Sarah and Abraham. Abraham was 100 years old (Genesis21:1-7.) Isaac was the son of promise.
Isaac is the legitimate son of Abraham and his heir. He also fathered Ishmael by his wife's servant girl. All of his descendants are considered sons of Abraham, and Christians consider themselves adopted children of Abraham due to Christ. Isaac
Fifteen.See also the Related Link.More about Abraham, Isaac and JacobHow old was Abraham's son Isaac when Abraham died
I believe you have your story confused with the Old Testament Patriarch Abraham who had a son named Isaac, not the same person as St. Isaac Jogues who was born thousands of years after Abraham was dead.
God tested Abraham's obedience by asking him to sacrifice his only son Isaac, we must remember that Abraham , got Isaac when he was 100 years old.
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About 2000 years Abraham Lincoln was dead afrer Jesus was born idiotas
Traditional chronology puts the birth of Isaac in 1712 BCE, when his father Abraham was one hundred years old.See also:More about Abraham and Isaac
They both Abraham and Sarah his wife were well in years he was about 100 , when he left for Canaan.
Abraham was a very old man, almost 100 years old when he had Isaac by his wife Sarah.
God tested abraham, as he told him to sacrifice Issac on mount Moriah.