Mærwynn æt Mædwe
- see device in Lochac Roll of Arms
- resident of Cluain
- formerly or alternatively known as Merewenne of Cluain
- formerly or alternatively known as Mærwynne of Cluain
- 1051st in sequence in the Order of Precedence
- Ruled as Baroness of Ildhafn with Baron Domenego Ferrante di Aldobrando from 29 October 2022 to a day unknown
Award of Arms - 8 July 2006
Golden Tear - 1 December 2012
Rowan - 25 November 2017
Star and Lily - 27 February 2021