Author: Kyria d'Oreyn
She maintains her father's business. Samwil Hark claims to have worked for Master Saems, but was fired once Mistress Saems inherited the business. She and her clerks have never even heard of Hark, but this can be explained because they hate him for trying to uncover that they were stealing from the old Saems, according to the cutpurse.
(Reference: Knife of Dreams, Chapter 16)