Jamieson, Fausset and Brown on 2 Kings 10:5

5. he that was over the house--the governor or chamberlain of the palace.

the bringers-up of the children--Anciently, and still also in many Eastern countries, the principal grandees were charged with the support and education of the royal princes. This involved a heavy expense which they were forced to bear, but for which they endeavored to find some compensation in the advantages of their connection with the court.