This is an idiom that is used to introduce something that God told his prophets or his people. AT: "God spoke this message ... and he said" or "God spoke these words ... and he said" (See: [[rc://en/ta/man/translate/figs-idiom]])
Here "house" is a metonym that represents a tribe or descendants. AT: "all the people from the tribes of Judah and Benjamin" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# your brothers the people of Israel
The words "brothers" and "people of Israel" are a doublet that refer to the men of the ten northern tribes and emphasize the family relationship between them and the tribes of Judah and Benjamin. (See: [[rc://en/ta/man/translate/figs-doublet]])