Also an option, and you'd need to have seen both registers to make an accurate assessment. Have you tried looking at the historic ones instead? A century ago might at least let you note any ancestors that were in the same line of work.

[Some things are inherited, after all, and Alucard would not consider Knight of Krimnos to be something that a family expected at least one of their children to pursue as a career.

There is a look on Alucard's face at the word blue that makes it seem like he's drunk curdled milk.]

If they were, they've since strayed from that path. I...the mortality rate of missions would be the easier line of questioning to pursue in the future, perhaps. Ask as if you're a concerned loved one of someone who wants to enter that line of work/