The witches say he will not be a king but will be the father of kings. In this way although he will be lesser than Macbeth, in a way he will be greater.
Since this happens in Act 1 Scene 3, you probably have not had time to form an initial response before these things happen.
The three witches in Macbeth tell Macbeth and banquo that Macbeth will be king of the land. Banquo asks what is in store for him , and the witches reply , that his sons will inherit the throne. In later story Macbeth Kills banquo so it is his sons that are heir to the throne.
To make sure that Banquo's son wont become king as the witches prediccted.
Macbeth kills Banquo in the play and then Banquo's ghost haunts Macbeth.
In Act I, Scene iii of Macbeth, the witches predict that Macbeth will become the Thane of Cawdor and eventually the King of Scotland. They also prophesy that Banquo's descendants will be kings, sparking Macbeth's ambition and leading to the tragic events that unfold in the play.
Macbeth: all hail Macbeth! hail to thee, thane of Glamis all hail Macbeth, hail to thee, thane of Cawdor all hail Macbeth, that shalt be king hereafter Banquo: hail hail hail lesser than Macbeth, and greater not so happy, yet much happier thou shall get kings, though thou be none
Macbeth's best friend was Banquo. They fought together in battle before Macbeth's rise to power.
Macbeth kills Banquo in the play and then Banquo's ghost haunts Macbeth.
Macbeth sees the ghost of the recently murdered Banquo.
No, Lady Macbeth is not aware that Macbeth has planned the death of Banquo and Fleance.
The three witches predict that Macbeth will become the Thane of Cawdor and then the King of Scotland. They also predict that Banquo's descendants will inherit the throne, sparking Macbeth's ambition and actions to make the prophecies come true.
Macbeth's soldiers do not kill Banquo, Macbeth hires three murderers to do the job.