RobH_en_tn/job/27/15.md

Those who survive him

This refers to the wicked man's children. This can be stated clearly. Alternate translation: "Those who continue to live after their wicked father dies" (See: rc://en/ta/man/translate/figs-explicit)

will be buried by plague

Here "be buried" represents dying. Alternate translation: "will die by plague" (See: rc://en/ta/man/translate/figs-metonymy)

their widows ... them

The words "their" and "them" refer to "Those who survive him," that is, the children of the wicked man.