'Son' in the Bible

He answered and hath said, 'Lo, I am seeing four men loose, walking in the midst of the fire, and they have no hurt; and the appearance of the fourth is like to a son of the gods.'

'And thou, his son, Belshazzar, hast not humbled thy heart, though all this thou hast known;

and Darius the Mede hath received the kingdom, when a son of sixty and two years.

I was seeing in the visions of the night, and lo, with the clouds of the heavens as a son of man was one coming, and unto the Ancient of Days he hath come, and before Him they have brought him near.

And he cometh in near my station, and at his coming in I have been afraid, and I fall on my face, and he saith unto me: Understand, son of man, for at the time of the end is the vision.

In the first year of Darius, son of Ahasuerus, of the seed of the Medes, who hath been made king over the kingdom of the Chaldeans,