Luke 9:18

And it happened that while he was praying alone, the disciples were with him. And he asked them, saying, "Who do the crowds say [that] I am?"

Matthew 16:13-16

Now [when] Jesus came to the region of Caesarea {Philippi}, he began asking his disciples, saying, "Who do people say [that] the Son of Man is?"

Luke 11:1

And it happened that while he was in a certain place praying, when he stopped a certain one of his disciples said to him, "Lord, teach us to pray, just as John also taught his disciples."

Matthew 26:36

Then Jesus went with them to a place called Gethsemane, and he said to the disciples, "Sit here while I go over there [and] pray."

Mark 8:27-30

And Jesus and his disciples went out to the villages of Caesarea Philippi, and on the way he asked his disciples, saying to them, "Who do people say [that] I am?"

Luke 22:39-41

And he went away [and] proceeded, according to [his] custom, to the Mount of Olives, and the disciples also followed him.

Treasury of Scripture Knowledge

Summary

And it came to pass, as he was alone praying, his disciples were with him: and he asked them, saying, Whom say the people that I am?

Bible References

As

Luke 11:1
And it happened that while he was in a certain place praying, when he stopped a certain one of his disciples said to him, "Lord, teach us to pray, just as John also taught his disciples."
Luke 22:39
And he went away [and] proceeded, according to [his] custom, to the Mount of Olives, and the disciples also followed him.
Matthew 26:36
Then Jesus went with them to a place called Gethsemane, and he said to the disciples, "Sit here while I go over there [and] pray."

Whom

Matthew 16:13
Now [when] Jesus came to the region of Caesarea {Philippi}, he began asking his disciples, saying, "Who do people say [that] the Son of Man is?"
Mark 8:27
And Jesus and his disciples went out to the villages of Caesarea Philippi, and on the way he asked his disciples, saying to them, "Who do people say [that] I am?"