'Certain' in the Bible

Therefore He came again to Cana of Galilee where He had made the water wine. And there was a royal official whose son was sick at Capernaum.

for an angel of the Lord went down at certain seasons into the pool and stirred up the water; whoever then first, after the stirring up of the water, stepped in was made well from whatever disease with which he was afflicted.]

A man was there who had been ill for thirty-eight years.

Now a certain man was sick, Lazarus of Bethany, the village of Mary and her sister Martha.

But one of them, Caiaphas, who was high priest that year, said to them, “You know nothing at all,

Now there were some Greeks among those who were going up to worship at the feast;