'Certain' in the Bible

Then certain of the scribes and Pharisees answered, "Teacher, we want to see a sign from you."

Therefore the Kingdom of Heaven is like a certain king, who wanted to reconcile accounts with his servants.

Then the mother of the sons of Zebedee came to him with her sons, kneeling and asking a certain thing of him.

"The Kingdom of Heaven is like a certain king, who made a marriage feast for his son,

He said, "Go into the city to a certain person, and tell him, 'The Teacher says, "My time is at hand. I will keep the Passover at your house with my disciples."'"