Helene du Puy
- see device in Lochac Roll of Arms
- resident of Rowany
- formerly or alternatively known as Gwynedd of Mordenvale
- 270th in sequence in the Order of Precedence
- Ruled as Baroness of Rowany with Baron Hrothgar aet Gytingbroce from 11 December 2004 to 16 June 2007
Award of Arms - 9 August 1997
Rose Leaf - 12 January 2002
Star and Lily - 7 December 2002
Laurel - 26 March 2005
Royal Cypher - 11 June 2006
Grant of Arms - 16 June 2007
Court Barony - 16 June 2007
Queen's Cypher - 4 July 2008
Royal Cypher - 4 July 2009
Golden Tear - 25 March 2016
Pelican - 15 April 2017