well the one at the end of revelations

said this:

Revelation 22:16
"I, Jesus, have sent my angel to give you this testimony for the churches. I am the Root and the Offspring of David, and the bright Morning Star."
Revelation 22:15-17 (in Context) Revelation 22 (Whole Chapter)

Is he saying that he is from two nations ?
2 people ?

Isaiah 14:12
How you have fallen from heaven, O morning star, son of the dawn! You have been cast down to the earth, you who once laid low the nations!
Isaiah 14:11-13 (in Context) Isaiah 14 (Whole Chapter)

in scripture, it is known that the morning star is another title for satan

according to the bible, does the morning star have children ?

Genesis 3:15

15 And I will put enmity
between you and the woman,
and between your offspring [a] and hers;
he will crush [b] your head,
and you will strike his heel."

But here it seems they came together at one point

the Morning stars and the angels

Job 38:7
while the morning stars sang together and all the angels shouted for joy?
Job 38:6-8 (in Context) Job 38 (Whole Chapter)