1 Corinthians 5:1

It is commonly reported that there is lewdness among you, and such lewdness as is not named even amongst the heathens, that one should have his father's wife.

Colossians 1:15

Who is the image of the invisible God, the first-born of the whole creation:

Treasury of Scripture Knowledge

Summary

Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but, forasmuch as he defiled his father's bed, his birthright was given unto the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.

Forasmuch

Birthright

Bible References

Forasmuch

1 Corinthians 5:1
It is commonly reported that there is lewdness among you, and such lewdness as is not named even amongst the heathens, that one should have his father's wife.

Birthright

Colossians 1:15
Who is the image of the invisible God, the first-born of the whole creation: