Gavriil Slotkovich
- see device in Lochac Roll of Arms
- resident of Mordenvale
- formerly or alternatively known as Olaf ole Gunnarson
- 619th in sequence in the Order of Precedence
- Ruled as Baron of Mordenvale with Baroness Kolfinna Burlufótr from 1 July 2023 to a day unknown
Award of Arms - 2 June 2001
Golden Tear - 30 September 2012
Royal Cypher - 1 July 2017
Royal Cypher - 14 July 2018
Catkin - 21 April 2019
Golden Sword - 28 March 2021
Silver Pegasus - 25 February 2023
Mouse Guard - 30 September 2023
Red Wyvern - 2 March 2024