'King's' in the Bible

Now when he had gone, the king's servants came, and saw that the doors of the summer-house were locked; and they said, It may be that he is in his summer-house for a private purpose.

And he saith unto Zebah and unto Zalmunna, 'How -- the men whom ye slew in Tabor?' and they say, 'As thou -- so they, one -- as the form of the king's sons.'