Keridwen the Mouse
- see device in Lochac Roll of Arms
- resident of Rowany
- 91st in sequence in the Order of Precedence
- Ruled as Princess of Lochac with Prince Elffin of Mona from 5 January 1991 to 11 May 1991
- Ruled as Princess of Lochac with Prince Corin Anderson from 8 January 1994 to 14 May 1994
- Ruled as Princess of Lochac with Prince Corin Anderson from 11 January 1997 to 5 July 1997
- Ruled as Baroness of Rowany with Baron Corin Anderson from 25 November 2000 to 11 December 2004
Award of Arms - 31 March 1990
Viscounty - 12 May 1991
Silver Tear - 10 September 1994
Lochac Cypher - 14 January 1995
Princess' Cypher - 14 May 1995
Silver Tear - 9 December 1995
Rose Leaf - 15 September 1996
Pelican - 7 November 1999
Laurel - 14 April 2001
Golden Tear - 12 June 2004
Court Barony - 11 December 2004
Silver Pegasus - 8 May 2010
Golden Poyntel - 10 January 2015
Coronaria - 5 November 2015
Prometheus - 22 April 2018
Star and Lily - 1 November 2020