If anyone is serious about the subject can God have sons, a few observations.
1.) Sons should not mean MALES. Sons of God means to have the same life and nature of God.
Just for the record, "sons and daughters" of God is mentioned in Paul's letter of Second Corinthians in which he quotes what seems to be a combination of Hosea 1:10 and Isa. 43:6:
Therefore, "come out from their midst and be separated, says the Lord, and do not touch what us unclean; and I will welcome you"
"And I will be a Father to you, and you will be sons and daughters to Me, says the Lord Almighty." (2 Cor. 6:17,18)
Did you get that? " ... and you will be sons AND DAUGHTERS to Me"
But most places just refer to sons of God. So we conclude sons includes male sons and female sons.
2.) This is a more important point. If God cannot have sons then I don't think there would be a universe in existence at all. The strong implication of Ephesians is that creation exists for the purpose that God would have sons. That is human beings who receive into them His life and His nature to be "organically" a part of His divine being.
If God could not have sons, I don't think He would have created the universe. And the existence of the universe suggests strongly that God can have sons.
Now why? Because His desire to have sons pre-existed the creation of the universe. AND it seems that it was based upon this deire that all things were created:
"Even as He chose us in Him before the foundation of the world to be holy and without blemish before Him in love, predestinating us unto sonship through Jesus Christ to Himself, according to the good pleasure of His will ..." (EPh. 1:4,5)
He chose some human beings "before the foundation of the world" unto "sonship".
Before He laid the foundation of the world, i.e. created the universe, He had a plan and a good pleasure to mark out the destiny of some people to be His sons - "unto sonship"
The means through which His sons, with sonship, can be created is "through Jesus Christ" the unique Son of God.
Since God made this choice before the foundation of the world, this strongly implies that the foundation of the world was lain for this "eternal pupose" of God to have sons.
Revelation 4 tells us that for God's will and because of His will all things were created and exist:
"You are worthy, our Lord and God, to receive the glory and the honor and the power, for You have created all things, and because of Your will they were, and were created." (Rev. 4:11)
God willed to have sons before the foundation of the world. And because of God's will all things were created. So I conclude that if God could not have sons of God there would be no reason for the universe or anything to exist.