GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Masculine, Singular
Mewn rhai cyd-destunau, mae'n bosibl y byddai'n fwy naturiol defnyddio'r ffurf lawn 'Trysorlys Ei Fawrhydi' yn Gymraeg.