RobH_en_tn/ezk/17/12.md

the rebellious house

This is a metonym for the family that lives in the house, in this case the Israelites, the descendants of Jacob over many years. See how you translated this in Ezekiel 2:5. AT: "the rebellious people" (See: rc://en/ta/man/translate/figs-metonymy)

Do you not know what these things mean?

Yahweh asks this as a leading question in order to provide the answer. The question can be translated as a statement. AT: "This is what these things mean." (See: rc://en/ta/man/translate/figs-rquestion)

Behold

"Look" or "Listen" or "Pay attention to what I am about to tell you"

her king and her princes

The word "her" refers to Jerusalem.