This can be stated in active form. Alternate translation: "No one will mourn for them or bury them" (See: [[rc://en/ta/man/translate/figs-activepassive]])
The sons and daughters born in the land are compared to dung on the ground to emphasize that they will be disgusting and that no one will bury them. See how you translated a similar phrase in [Jeremiah 8:2](../08/02.md). (See: [[rc://en/ta/man/translate/figs-simile]])
The phrase "come to an end" is a mild way to say that they will die. The word "sword" represents an army whose soldiers fight with swords. The phrase represents dying in battle. Alternate translation: "they will die in battle or from famine" (See: [[rc://en/ta/man/translate/figs-euphemism]] and [[rc://en/ta/man/translate/figs-metonymy]])