Did Jesus’ Mother, Mary, Give Birth to Other Children?
At first glance, this question seems to fall into the “simple to answer” category: “Did you shut the garage door?” or “Is the earth round?” But when we really look into the history behind it, we find that it’s not quite that simple. In fact, Christians of different stripes have disagreed for hundreds of years about how best to answer it.
Historically, Christians in the Catholic and Orthodox traditions have thought “no” while Christians in the Protestant tradition have thought “yes.”
Catholic and Orthodox Christians (and some Protestants) teach that Mary remained a virgin all her life and gave birth only to Jesus.
This view was almost universally accepted by the Church from approximately the 3rd
to the 17th
centuries AD 
and follows four basic lines of thought:
Ezekiel 44:1-3 is a prophecy about the virgin birth of Christ. According to this interpretation, Mary is the gate through which Jesus and only Jesus entered the world.
- If Mary had other biological children, Jesus would not have entrusted her into the care of John as he was being crucified.
- The Greek words translated “brothers” and “sisters” have a wider range of meaning than the English and can mean “cousin” or “near relative.”
- For both Catholic and Orthodox Christians, the Church’s long-standing tradition regarding Mary’s perpetual virginity validates this belief.
Protestants who don’t accept the perpetual virginity of Mary base their belief on three primary points of evidence:
- The teaching that Mary and Joseph never consummated their marriage is not expressly taught in the Scriptures.
- The belief that Mary was “ever-virgin” is not clearly found in two of the earliest Christian theologians: Irenaeus of Lyons or Tertullian.
- Protestants believe that the simplest and clearest reading of biblical passages likeMatthew 12:46-50, Matthew 13:55, Mark 6:3, Luke 8:19-20, John 2:12, John 7:3-10, Acts 1:14, 1 Corinthians 9:5, and Galatians 1:19 lead us to believe that Jesus did have half-siblings.
So, did Mary give birth to other children? While we cannot know with absolute certainly whether she did or didn’t, what seems clear is that a person’s salvation and love for Christ does not depend on how they answer this question. Christians of all perspectives agree that Mary the mother of our Lord Jesus Christ occupies a unique and honored place. God chose her to carry and give birth to His Son who would save the world from its sins.
This belief is commonly called the perpetual virginity of Mary. Some Catholic and Orthodox Christians also use the term “ever-virgin” when talking about Mary.
Catholic and Orthodox believers point out that prominent Reformed theologians like Martin Luther, Philip Melanchthon, Jean Calvin, Ulrich Zwingli, and John Wesley believed in the perpetual virginity of Mary. See Council of Trent 1545 ad.
This interpretation was common among the early church fathers. St. Augustine clearly taught that Ezekiel 44:1-3
was prophetically speaking about Mary. “The Lord said to me, ‘This gate is to remain shut. It must not be opened; no one may enter through it. It is to remain shut because the Lord, the God of Israel, has entered through it.’ ”
 John 19:25-27
There are three widely held opinions within Christianity regarding who these siblings/relatives were:
- Catholics believe that the adelphos/adelpha (brothers/sisters) were cousins or near relatives, not brothers and sisters.
- Orthodox believers say that they were older, non-biological half-siblings through Joseph from a previous marriage.
- Most Protestants believe that they were younger half-siblings from the union of Mary and Joseph.
In addition to the clear absence of a defense in Irenaeus and Tertullian, Helvidius wrote against the belief in the perpetual virginity of Mary prior to 383 ad.
Protestant theologians also point to two additional passages as support for their position:Matthew 1:25
and Luke 2:7
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