Mae'r cwcis hyn yn gwbl angenrheidiol ar gyfer weithrediad y wefan.
Rydym yn defnyddio Google Analytics i fesur sut ydych yn defnyddio'r wefan er mwyn i ni ei wella yn seiliedig ar angen defnyddwyr.
Gall y cwcis hyn gael eu gosod gan wefannau trydydd parti a gwneud pethau fel mesur sut rydych yn gwylio fideos YouTube.
Amgueddfa Cymru
Against a field diapered with quatrefoils, a cinquefoil in each compartment, the 4th Earl of Salisbury on horseback riding to sinister and in armour, his helmet bearing a coronet out of which rises the crest: a griffin’s head between (on fine impressions) a pair of wings. His right hand holds his sword aloft, secured by a chain to his shoulder; his shield: three fusils or lozenges conjoined in fess, MONTACUTE. Horse caparisoned and plumed.