Yahweh uses this question to emphasize that he has no reason to pardon these people. AT: "Because of the things that they do, I cannot pardon these people." (See: [[rc://en/ta/man/translate/figs-rquestion]])
Yahweh is speaking to Jerusalem as though she were a woman who had children. Jerusalem's "sons" represent the people of Jerusalem. AT: "The people of Jerusalem" (See: [[rc://en/ta/man/translate/figs-personification]])
This may be a metaphor for being unfaithful to God and worshiping idols, but idol worship also included prostitution. AT: "they were unfaithful to me and went in large numbers to the houses of prostitutes" (See: [[rc://en/ta/man/translate/figs-metaphor]])