Sian Llwydwyn
- see device in Lochac Roll of Arms
- resident of Stormhold
- 1643rd in sequence in the Order of Precedence
- Award of Arms
- given by Prince Aylwin and Princess Ingerith,
- on 5 December 1992,
- at William Marshall Memorial Tourney and Feast (5 Dec 1992 at The Abbey, Prahan VIC).