The former Head Archivist of the Magnus Institute who died “in the line of duty” according to her superior Elias Bouchard. Antonio Blake claimed in a statement given on March 14th 2015 to have foreknowledge of her demise via a prophetic dream. She died almost exactly one month later on May 15th 2015, which is also the day the strange sounds were reported at the Hither Green Dissenters Chapel.
Although both Elias and Jonathan had stated that Gertrude was dead, apparently her body had disappeared. It was found in tunnels beneath The Magnus Archive on July 29th 2016 by Martin Blackwood who claimed her body showed three gunshot wounds.
Gertrude’s Filing System
Gertrude used an unusual system for creating case numbers for the statements submitted from
Last three digits of the year, then the day, then the month. I don’t know why she did it like that, but I can’t change it now.
Jonathan Sims , transcript 033