Before I give some spoilers, I must say to me you sound a bit more
Lawful Evil, than Neutral Evil, but that's just me
Spoilers
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~(Not exactly excellent at spelling these names btw)
Delryn House: Related to Anomen Quest.
Saerk Farrahd: Related to Anomen Quest.
Jysstev House: Related to Cleric Quest, Jan Jansen
Roenall (Not labelled on minimap? I forget): Related to Nalia
Firecam Estate: Related to Keldorn
Many miscellaneous buildings: Not related to anything