Siôr, Tywysog Denmarc

Siôr, Tywysog Denmarc
Ganwyd	21 Ebrill 1653  Castell Copenhagen
Bu farw	28 Hydref 1708  Palas Kensington
Dinasyddiaeth	Denmarc
Swydd	Member of the House of Lords of Great Britain, cymar teyrn Lloegr, cymar teyrn yr Alban, cymar teyrn Iwerddon, cymar teyrn Prydain Fawr
Tad	Frederick III of Denmark
Mam	Sophie Amalie of Brunswick-Lüneburg
Priod	Anne, brenhines Prydain Fawr
Plant	Prince William, Duke of Gloucester, first stillborn daughter of Anne of Great Britain, Mary Anne of great britain, Anne Sophia Oldenburg, first miscarried child of Anne of Great Britain, first stillborn son of Anne of Great Britain, second miscarried child of Anne of Great Britain, Mary Oldenburg, George Oldenburg, second stillborn daughter of Anne of Great Britain, third stillborn daughter of Anne of Great Britain, fourth stillborn daughter of Anne of Great Britain, Joseph of Great Britain, third stillborn son of Anne of Great Britain, fourth stillborn son of Anne of Great Britain, fifth stillborn son of Anne of Great Britain, sixth stillborn son of Anne of Great Britain
Llinach	House of Oldenburg
Gwobr/au	Urdd y Gardas, Royal Fellow of the Royal Society, Marchog Urdd yr Eliffant

Milwr a phriod Anne, brenhines Prydain Fawr oedd Siôr, Tywysog Denmarc (2 Ebrill 1653 – 28 Hydref 1708).

Cafodd ei eni yng Nghopenhagen, mab Frederic III, brenin Denmarc. Priododd y tywysoges Anne y 28 Gorffennaf 1683.