Procreation, according to scripture (KJB), as demonstrated by texts and by the specific words, exists among man-kind (amongst themselves; "male" with "female" of like/same "kind"; "marriage" existing among the "children" "of this world" (Luke 20:34) and no other) and with other creatures (of each Kind amongst themselves) of the "earth":
The rebellious cast out angels (which are neither 'ethereal' or non-entities, neither gaseous non-forms), etc (Satan and his ilk) through manipulation and twisting of the truth and causing doubt in the words of God, are only able to "possess" (never 'procreate' with) those upon this world.
Possession, deals with 'mind upon mind', a surrender of the will to the devil (2 Chronicles 30:8; Romans 6:13,16), not a physical entering [it is not like the many Holywood movies and fictional books portray], for satan and the devils are physical beings [more on this later in detail as needful], which, somewhat like in modern hypnosis, take control of the mind, and of the will, and thus the one "possessed" [taken control of the mind] will obey the will of the one surrendered to, and follow suggestions and commands:
Additionally scripture, by Paul, says that the (Rebellious) Angels are not the same "kind" or even have the same "Flesh" as mankind, having a completely different nature (Jude 1:7; Hebrews 2:16; 1 Corinthians 15:39-41):
Ephesians 6:12; refers to "flesh and blood" of sinful (fallen) flesh men (Matthew 16:17; 1 Corinthians 15:50; Galatians 1:16; Hebrews 2:14), in contrast to the rebellious beings, which are the "spiritual wickedness" (not "spirit wickedness) in High places, as like in the days of Daniel, etc. (Daniel 10:13,20), for satan sits upon the "throne of iniquity" (Psalms 94:20), "satan's seat" (Revelation 2:13).
Jesus said, in regards mankind as they presently are, and as angels as they presently are:
The texts reads "are as" ("εισιν ως"; "εισινG1510 V-PAI-3P ωςG5613 ADV"; Verb, Present, Active, Indicative, 3rd person Plural; with Adverb - GNT-TR). Angels are not "children of this world", and never will be (as their origin is from Heaven, Celestial).
Angels (good or evil) have no ability to change their flesh nature, neither, mankind:
Angelic beings (even when rebellious) have a nature (Hebrews 2:16) which cannot be killed/destroyed as yet, until God does so by fire:
Let us move onward to the immediate and surrounding context of the term "sons of God" in Genesis 6:2,4, and notice the word "wives" (which is marriage, an institution of God for the "children of this world" and no other).
Gen 1:28 And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.
The rebellious cast out angels (which are neither 'ethereal' or non-entities, neither gaseous non-forms), etc (Satan and his ilk) through manipulation and twisting of the truth and causing doubt in the words of God, are only able to "possess" (never 'procreate' with) those upon this world.
possessed - Matthew 4:24, 8:16,28,33, 9:32, 12:22; Mark 1:32, 5:15,16,18; Luke 8:36; Acts 8:7, 16:16; which deals with control over, dominion over and ownership of - Numbers 21:24,35; Deuteronomy 3:12, 4:47, 30:5; Joshua 1:15, 12:1, 13:1, 19;47, 21:43, 22:9; Judges 3:13, 11:21,22; 2 Kings 17:24; Nehemiah 9:22,24,25; Psalms 139:13; Proverbs 8:22; Isaiah 63:18; Jeremiah 32:15,23; Daniel 7:22; Proverbs 8:22; Acts 4:32; 1 Corinthians 7:30
Possession, deals with 'mind upon mind', a surrender of the will to the devil (2 Chronicles 30:8; Romans 6:13,16), not a physical entering [it is not like the many Holywood movies and fictional books portray], for satan and the devils are physical beings [more on this later in detail as needful], which, somewhat like in modern hypnosis, take control of the mind, and of the will, and thus the one "possessed" [taken control of the mind] will obey the will of the one surrendered to, and follow suggestions and commands:
Mar 5:15 And they come to Jesus, and see him that was possessed with the devil, and had the legion, sitting, and clothed, and in his right mind: and they were afraid.
Joh_13:2 And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;
Additionally scripture, by Paul, says that the (Rebellious) Angels are not the same "kind" or even have the same "Flesh" as mankind, having a completely different nature (Jude 1:7; Hebrews 2:16; 1 Corinthians 15:39-41):
Eph 6:11 Put on the whole armour of God, that ye may be able to stand against the wiles of the devil.
Eph 6:12 For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
Ephesians 6:12; refers to "flesh and blood" of sinful (fallen) flesh men (Matthew 16:17; 1 Corinthians 15:50; Galatians 1:16; Hebrews 2:14), in contrast to the rebellious beings, which are the "spiritual wickedness" (not "spirit wickedness) in High places, as like in the days of Daniel, etc. (Daniel 10:13,20), for satan sits upon the "throne of iniquity" (Psalms 94:20), "satan's seat" (Revelation 2:13).
Jesus said, in regards mankind as they presently are, and as angels as they presently are:
Mat 22:30 For in the resurrection they neither marry, nor are given in marriage, but are as the angels of God in heaven.
Mar 12:25 For when they shall rise from the dead, they neither marry, nor are given in marriage; but are as the angels which are in heaven.
Luk 20:34 And Jesus answering said unto them, The children of this world marry, and are given in marriage:
Luk 20:35 But they which shall be accounted worthy to obtain that world, and the resurrection from the dead, neither marry, nor are given in marriage:
Luk 20:36 Neither can they die any more: for they are equal unto the angels; and are the children of God, being the children of the resurrection.
The texts reads "are as" ("εισιν ως"; "εισινG1510 V-PAI-3P ωςG5613 ADV"; Verb, Present, Active, Indicative, 3rd person Plural; with Adverb - GNT-TR). Angels are not "children of this world", and never will be (as their origin is from Heaven, Celestial).
Angels (good or evil) have no ability to change their flesh nature, neither, mankind:
Jer_13:23 Can the Ethiopian change his skin, or the leopard his spots? then may ye also do good, that are accustomed to do evil.
Angelic beings (even when rebellious) have a nature (Hebrews 2:16) which cannot be killed/destroyed as yet, until God does so by fire:
Mat_25:41 Then shall he say also unto them on the left hand, Depart from me, ye cursed, into everlasting fire, prepared for the devil and his angels:
Mat_8:29 And, behold, they cried out, saying, What have we to do with thee, Jesus, thou Son of God? art thou come hither to torment us before the time?
Mal_4:1 For, behold, the day cometh, that shall burn as an oven; and all the proud, yea, and all that do wickedly, shall be stubble: and the day that cometh shall burn them up, saith the LORD of hosts, that it shall leave them neither root nor branch.
Eze_28:19 All they that know thee among the people shall be astonished at thee: thou shalt be a terror, and never shalt thou be any more.
Let us move onward to the immediate and surrounding context of the term "sons of God" in Genesis 6:2,4, and notice the word "wives" (which is marriage, an institution of God for the "children of this world" and no other).