Genesis 46:26
All the persons who came with Jacob into Egypt, the offspring of his body, were sixty-six, without taking into account the wives of Jacob's sons.
Exodus 1:5
All the offspring of Jacob were seventy persons: and Joseph had come to Egypt before them.
Genesis 35:11
And God said to him, I am God, the Ruler of all: be fertile, and have increase; a nation, truly a group of nations, will come from you, and kings will be your offspring;
Judges 8:30
Gideon had seventy sons, the offspring of his body; for he had a number of wives.
Treasury of Scripture Knowledge
Summary
All the souls that came with Jacob into Egypt, which came out of his loins, besides Jacob's sons' wives, all the souls were threescore and six;
General references
Bible References
Loins
Genesis 35:11
And God said to him, I am God, the Ruler of all: be fertile, and have increase; a nation, truly a group of nations, will come from you, and kings will be your offspring;
Exodus 1:5
All the offspring of Jacob were seventy persons: and Joseph had come to Egypt before them.
Judges 8:30
Gideon had seventy sons, the offspring of his body; for he had a number of wives.
General references
Hebrews 7:10
Because he was still in his father's body when Melchizedek came to him.