Lateran Council of 649

If anyone does not in accord with the Holy Fathers acknowledge the holy and ever virgin and immaculate Mary was really and truly the Mother of God, inasmuch as she, in the fullness of time, and without seed, conceived by the Holy Spirit, God in the Word Himself, who before all time was born of God the Father, and without loss of integrity brought Him forth, and after His birth preserved her virginity inviolate, let him be condemned.