But an old woman who was among those who remained behind.
Only the old woman was doomed.
except an old woman who lingered
Except an old woman among those who remained behind
Except old/weak (his wife was) in the remaining behind
Except [his] old ugly woman who had to be punished [for not obeying him]
Except an old woman, who became of those who stayed behind
Except an old women who was among those who stayed behind
Except that old woman who was of those who stayed behind
Except an old woman (who) was among those who stayed behind (and did not go with those delivered)
Except an old woman (his wife) who was among those who remained behind