The Trinity is a Christian doctrine concerning the nature of God. It defines one God as existing in three divine persons: God the Father, God the Son, and God the Holy Spirit. They are considered to b
An artistic depiction of the Trinity, with the hand representing the Father, the Chi Rho and ichthys representing the Son, and the dove representing the Holy Spirit
The Trinity by Russian icon painter Andrei Rublev, early 15th century
God, in the person of the Son, confronts Adam and Eve, by Master Bertram (d. c. 1415).
Detail of the earliest known artwork of the Trinity, the Dogmatic or Trinity Sarcophagus, c. 350 (Vatican Museums). Three similar figures, representing the Trinity, are involved in the creation of Eve, whose much smaller figure is cut off at lower right; to her right, Adam lies on the ground.
In mainstream Trinitarian Christianity, the Holy Spirit or Holy Ghost is the third Person of the Trinity, which is often enumerated as God the Father, God the Son, and God the Holy Spirit. Nontrinitar
Trinity
…Christian doctrine concerning the nature of God. It defines one God as existing in three divine persons: God the Father, God the Son (Jesus Christ), and God the Holy Spirit. They are considered to be coeternal and consubstantial, constituting three distinct persons (hypostases) that share one essence/substance/nature…
Stained glass representation of the Holy Spirit as a dove in St. Peter's Basilica, c. 1660
The Holy Spirit as a dove in The Annunciation, by Philippe de Champaigne, 1644
The Holy Spirit as a dove, All Saints Catholic Church, St. Peters, Missouri
In the Farewell Discourse, Jesus promised to send the Holy Spirit to his disciples after his departure; depiction from the Maesta by Duccio, 1308–1311.