Mary, Mother of Jesus · Updated August 15, 2026
The Perpetual Virginity of Mary is the doctrine that Mary remained a virgin before, during, and after the birth of Jesus — that she had no sexual relations with Joseph at any point and that Jesus was her only child. The Catholic Church, the Eastern Orthodox Church, and some Lutheran and Anglican traditions hold this teaching. The doctrine has three components the tradition names separately: virginity before birth (ante partum), virginity during birth (in partu), and virginity after birth (post partum). The last — that Mary bore no other children after Jesus — is the most contested because the Gospels mention the brothers and sisters of Jesus.
The "brothers of Jesus" problem is the central exegetical challenge. Matthew 13:55 names James, Joseph, Simon, and Judas as the brothers of Jesus and mentions sisters. Three positions have existed in Christian thought. The Helvidian view holds that these were the biological children of Mary and
The doctrine matters beyond the biographical question because it is tied to Catholic and Orthodox theology of Mary as ever-virgin — a permanent consecration that defines her role. In the West, Jerome's argument established the consensus through the medieval period. Most Protestant traditions rejected perpetual virginity at the Reformation along with other Marian doctrines, though Martin Luther himself accepted it and John Calvin was ambiguous. Today the Catholic Church treats it as a defined teaching; Protestant scholarship largely reads the Gospel texts as referring to later children of Mary and Joseph.
Whether the 'brothers of Jesus' were siblings, half-siblings, or cousins is a question the Greek text does not settle — and what you think about tradition determines which answer you reach.
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