no
Serpent seed is a false doctrine
For eating from the tree of knowledge of good and evil to have been a metaphor for sex with Satan, eating of the tree life must be a metaphor for sex with Jesus.
The Fifth Estate is about JA
Genesis 4:1
Now Adam knew Eve his wife, and she conceived and bore Cain, saying, “I have gotten a man with the help of the Lord.”
and bore Cain, saying, “I have gotten a man with the help of the Lord.”
Not a dispensationalist, I know who are Christ's children (1 John 2:23).