c.3rd–4th century CE, Vetus Latina, Genesis 3:8; republished as Bonifatius Fischer, editor, Vetus Latina. Die Reste der altlateinischen Bibel, volume 1, 1949, page 63:
et absconderunt se Adam et mulier eius abante faciem Domini Dei
and Adam and his wife hid themselves away from before the face of God
5th c. CE, Sergius (grammarian)
Nemo enim dicit de post forum, nemo enim ab ante.
Nobody [who speaks correctly] says 'de post the forum', nor 'ab ante' it.