According to Sacre Scriptures, Gospel, Catechesis, Catechism and so on, could Jesus have had, or could have, one or more brothers or sisters?

I'm not referring to terrestrial brothers or sisters who lived during the time Jesus has lived on the earth, which, however, would be in disagreement with the dogma of the Virgin Mary(1), but to brothers or sisters that lived on other planets where other kinds of extraterrestrial beings live or lived.

Or, in case, did God send always Jesus, the same son who went on the earth, on these planets?

I'm not looking for an opinion based answer, but for an answer that describes the position of diffrent christian churchs on this matter(2).

(1) However, there would be the problem to exclude the circumstance that Joseph, the 'father' of Jesus, did not have other son/s with other women.

(2) If it is unclear, the matter is what the position of christian churches is about extraterrestrial civilizations and their need to be saved.

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    I don't know of any scripture or Christian teaching that acknowledges or even references extra-planetary affairs.
    – Yuck
    Commented Jan 13, 2014 at 22:03
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    Most Christian denominations (LDS and JW as exceptions) believe that Jesus is co-eternal with the Father, that His Sonship was not the result of reproduction, but describes non-physical relationship and not chronology. So, the question is an absurdity to traditions that hold such views. LDS definitely believe that Jesus had other spiritual siblings. JW's believe Jesus was a god, but not God.
    – Narnian
    Commented Jan 13, 2014 at 22:23
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    Can I cite a documentary on the History Channel?
    – Double U
    Commented Jan 14, 2014 at 0:16
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    @Anonymous Best not :P
    – curiousdannii
    Commented Jan 14, 2014 at 7:11
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    There are as many people that believe animals have souls as ones that believe in aliens. Maybe your question could include a Messiah for the dolphins, chimps and fluffy dogs. If a question about aliens are considered seriously then one about animals should get the same consideration. Commented Jan 14, 2014 at 17:54

3 Answers 3


Firstly, anything and everything regarding "other planets" is speculation. The Bible is entirely silent on the matter. That includes the question of whether or not there is intelligent life on other planets. Scientists disagree on that question, as do theologians; most theologians, I gather, would say that there probably is not. But let's assume for the sake of your question that there is.

We can say unequivocally based on Scripture that the answer is no. Jesus is "God's only begotten son," as he proclaims in the ever-famous John 3:16. The Nicene Creed summarizes Scripture's teaching this way:

I believe in ... one Lord Jesus Christ, the only-begotten Son of God, Begotten of his Father before all worlds, God of God, Light of Light, Very God of very God, Begotten, not made, Being of one substance with the Father, By whom all things were made;

This is very important. Colossians 1:15-20 is a good passage about Christ as the agent of creation. That's a unique role, which he shares with no one. He was not created, nor was he begotten in a moment in time. The trinitarian relationship of Father, Son, and Holy Spirit has existed "before all worlds," and is unchangeable.

This being so, you may ask, how would redemption be accomplished for other intelligent life that has gone astray?

That's a question none but God knows the answer to. Nor does any church I'm aware of have an "official stance" on the matter. But some answers will be consistent (as far as they can go) with official teachings, and others won't. A good piece of speculation can be found in C. S. Lewis' Religion and Rocketry:

Perhaps of all races we only fell. Perhaps Man is the only lost sheep; the one, therefore, whom the Shepherd came to seek.

Lewis raises this as a possibility, but affirms that it is not the only one:

[But] if we knew that Redemption by an Incarnation and Passion had been denied to creatures in need of it is it certain that this is the only mode of Redemption that is possible? ... [W]e don't know. At any rate, I don't know. Spiritual as well as physical conditions might differ widely in different worlds. There might be different sorts and different degrees of fallenness. We must surely believe that the divine charity is as fertile in resource as it is measureless in condescension. To different diseases, or even to different patients sick with the same disease, the great Physician may have applied different remedies.

In the essay itself, he doesn't go very much further with regard to what these "different diseases" and "different treatments" may be. But an imaginative rendering of his speculation is found in his brilliant Space Trilogy, which I highly recommend. The only concrete piece of further speculation he offers in the essay is that perhaps other species' redemption would come about via Christ's sacrifice on earth. But this, again, is mere speculation.

So that answers (as well as I can) about redemption. What about other species not in need of redemption? Surely they would still need to at least know God. So, would Jesus necessarily visit other planets in order to reveal God to them? Perhaps. Again, speculation. But what we do know is that if these were species that God desired to love as his children, he would not leave them without the Holy Spirit, who Jesus tells us is our comforter and who indwells us for our holiness and renewal.

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    Welcome here! Very good answer, especially as a first post here, and even more for such a strange question. I hope you will stay here and ask and answer more questions - we can never have enough quality authors like you!
    – Pavel
    Commented Jan 14, 2014 at 11:44

The bible acknowleges only earth as a planet with intelligent life, the beginning of the (physical) creative works with life.

I appreciate your enthusiasm and imagination! 1 earth - such a big cosmos out there! It makes you wonder if physical creation has a future beyond our planet!

Back down to earth though (pun intended) many believe "Wisdom" in this account is actually a symbol for Christ himself (wisdom personified).

Read these verses here: Proverbs 8:22-36

You can see that Jesus (with heavens/heavens occupants) was created first, the Earth second along with man. The bible gives no evidence of other creations outside of our first one.

Digging deeper, many believe the questions of God's rule were raised on earth during a very pivotal time, being the start of creation as we know it. So why would other worlds be created without the issues resolved on ours?

Here's another one for your imagination :D

Job 38:6-7

  • Hey that's an interesting idea. No other intelligent life created until the "issues" with God the Father resolved on our world?
    – Ztucker
    Commented Jan 14, 2014 at 17:47

Since "son" is a human term, the possibility that God could have sent messengers or even his own offspring to other planets with intelligent life is very real. Jesus Christ was God's only begotten "son," not some word for offspring that they use on other planets.

Of course, it is all speculation about life on other planets, and perhaps some forum members will object to the discussion of it. But, fact is, there are millions if not billions of other planets in our galaxy alone, not to mention in all the universe. This is a system so vast that probability dictates that some other intelligent life (perhaps a lot of other intelligent life) has been created by God the Father in the vastness of space. If God created them, then why wouldn't he send a messenger to them too? And the concept of sin is universal. It's anything that's contrary to the will of God. Any sentient life-form, with free will would undoubtedly run up against God's will at some point in time, so they are in need of salvation too.

I don't see how a discussion like this detracts from the Glory of God. Neither do I see how a discussion of why God would have used evolution to create his masterpiece, man, would detract from his Glory.

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