Daughter of Lord Olrath Silmerhelve, she is the public face of House Silmerhelve, whose villa is located in Waterdeep's Sea Ward. The Simlerhelve estate Helvenblade House is near the northeastern edge of the Kryptgarden Forest / nowthwest of Westbridge.
(Base history / may diverge for us): https://forgottenrealms.fandom.com/wiki/Dala_Silmerhelve