That would be the Catholic church, not the church of Christ. Jesus had many brothers, James and Judas (authors of epistles) were two of note. Mary was not a perpetual virgin and nothing in scripture supports that assertion.
On a side note, the Catholic church said that the universe rotated around the Earth and that forgiveness of sin could be purchased for an indulgence.
Not so
Read about these men and their beliefs.
The Perpetual Virginity of Mary - Brothers and Sisters of Christ?
Virgin Birth—or Prophetic Slip?
The Perpetual Virginity of Blessed Mary
Aeiparthenos (An Anglo-Catholic Priest on Mary's Perpetual Virginity)
[Why I Am Catholic]: Because of the Protestant Reformers Beliefs On Mary
Catholic Biblical Apologetics: Mary: Virgin and Ever Virgin
Luther, Calvin, and Other Early Protestants on the Perpetual Virginity of Mary
Luther, Calvin, and Other Early Protestants on the Perpetual Virginity of Mary
The Protestant Reformers on the Virgin Mary
Zwingli’s’ Mariology: On Mary “Full of Grace”
EXCELLENT COMMENT!!!!!!!!!!!!!!!