Their bridegrooms shall be killed in war: The pronoun Their refers to the young unmarried women (virgins) in the previous verse. The model below makes this clear.

And their husbands shall perish of famine: Here the pronoun their refers to the wives in the previous verse. The model below also makes this clear.

An alternative model for this verse is:

• The young men who would have married the young women will die in battle; the husbands of the married women will die of starvation.

Quoted with permission from Bullard, Roger A. and Hatton, Howard A. A Handbook on 1-2 Esdras. (UBS Helps for Translators). Miami: UBS, 2019. For this and other handbooks for translators see here.