This Bible contradiction is from the Skeptic's Annotated Bible.
God has only one son (Jesus)
John 3:18 View context
He that believeth on him is not condemned: but he that believeth not is condemned already, because he hath not believed in the name of the only begotten Son of God.
1 John 4:9 View context
In this was manifested the love of God toward us, because that God sent his only begotten Son into the world, that we might live through him.
Solomon was God's son
2 Samuel 7:13-14 View context
He [Solomon] shall build a house for My name, and I will establish the throne of his kingdom forever. I will be his Father, and he shall be My son. If he commits iniquity, I will chasten him with the rod of men and with the [a]blows of the sons of men.
Adam was also God's son
Luke 3:38 View context
Which was [the son] of Enos, which was [the son] of Seth, which was [the son] of Adam, which was [the son] of God.
Some of God's sons had sex with women producing a race of giants
Genesis 6:2-4 View context
That the sons of God saw the daughters of men that they [were] fair; and they took them wives of all which they chose.
And the LORD said, My spirit shall not always strive with man, for that he also [is] flesh: yet his days shall be an hundred and twenty years.
There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare [children] to them, the same [became] mighty men which [were] of old, men of renown.
Satan and his companions were sons of God
Job 1:6 View context
Now there was a day when the sons of God came to present themselves before the LORD, and Satan came also among them.
Job 2:1 View context
Again there was a day when the sons of God came to present themselves before the LORD, and Satan came also among them to present himself before the LORD.
God's sons were present when the universe was created
Job 38:6-7 View context
Whereupon are the foundations thereof fastened? or who laid the corner stone thereof;
When the morning stars sang together, and all the sons of God shouted for joy?
Male peacemakers are God's sons
Matthew 5:9 View context
Blessed are the peacemakers: for they shall be called the children of God.
Christians are God's sons
John 1:12 View context
But as many as received him, to them gave he power to become the sons of God, [even] to them that believe on his name:
Philippians 2:15 View context
That ye may be blameless and harmless, the sons of God.
1 John 3:2 View context
Beloved, now are we the sons of God.
Whoever is led by the Spirit of God is a son of God
Romans 8:14 View context
As many as are led by the Spirit of God, they are the sons of God.