Vous avez cherché: una ex erit (Latin - Anglais)

una ex his erit tibi ultima
italiano one of these will be your last

et cum esset petrus in atrio deorsum venit una ex ancillis summi sacerdoti
and as peter was beneath in the palace, there cometh one of the maids of the high priest:

quid vobis videtur si fuerint alicui centum oves et erraverit una ex eis nonne relinquet nonaginta novem in montibus et vadit quaerere eam quae erravi
how think ye? if a man have an hundred sheep, and one of them be gone astray, doth he not leave the ninety and nine, and goeth into the mountains, and seeketh that which is gone astray?

et extra portam interiorem gazofilacia cantorum in atrio interiori quod erat in latere portae respicientis ad aquilonem et facies eorum contra viam australem una ex latere portae orientalis quae respiciebat ad viam aquiloni
and without the inner gate were the chambers of the singers in the inner court, which was at the side of the north gate; and their prospect was toward the south: one at the side of the east gate having the prospect toward the north.