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English: Seal of Rudolf III, Duke of Austria (Rudolf I, King of Bohemia) (1282-1307), also known as Rudolf of Habsburg, was a member of the House of Habsburg, the King of Bohemia and titular King of Poland from 1306 until his death. He was also Duke of Austria (as Rudolf III) and Styria from 1298. Rudolf was the eldest son of Duke Albert I of Austria and his wife Elizabeth of Gorizia-Tyrol, thereby the grandson of King Rudolf I of Germany. After lengthy struggles with Adolf of Nassau, his father was elected King of Germany in 1298 and vested sixteen-year-old Rudolf as a co-ruler with the Austrian hereditary lands of the Habsburg dynasty. Arms: Bindenschild (Habsburg (modern); Panther of Styria (Duchy of Styria). Circumscribed in Latin:

• Outer ring: RUDOLFUS DEI GRA(TIA) DUX AUSTRI(A)E (E)T STYR(IAE) D(OMI)N(U)S CARNIOL(A)E MARCHIAE AC
• Middle ring: PORTUSNAON(IS) COMES DE HABSPURGH ET CHIBURGH LANT-
• Inner ring: -GRAVI(US) ALSACI(A)E

("Rudolf by the grace of God Duke of Austria and of Styria, Lord of the March of Carniola and of Pordenone, Count of Habsburg and Kyburgh, Landgrave of Alsace")

Heraldry

• Arms (modern) of the w:House of Habsburg (Archdukes of Austria): Gules, a fess argent ("Bindenschild" / Neuösterreich, "New Austria"[1]); originally the arms of the House of Babenburg (Duchies of Austria and Styria); formerly Habsburg used for arms the "Lion of Habsburg" ("Habsburg ancient") (see Category:Lion of Habsburg)
• w:Duchy of Styria