Edwin IV (Edwin Frederick Redrugus; 27 February 1922 - 06 June 1991) was King of Morstaybishlia from 4 October 1967 until his death in 1991. He remained King of Lokania after their independence in 1975.

Edwin IV
Portrait in 1967
King of Morstaybishlia and its Overseas Territories
King of Lokania
Reign4 October 1967 – 6 June 1991
Coronation21 April 1968
PredecessorKing Thadeus II
SuccessorKing Lambertus VII
Born27 February 1922
Sani Bursil Royal Palace, Sani Bursil
Died6 June 1991(1991-06-06) (aged 69)
Sani Bursil Royal Palace, Sani Bursil
Burial
Syllester Abbey
SpouseQueen Isobel (m. 1948)
IssueKing Lambertus VII
Prince Edmund
Prince Frederick
Prince Walter
Names
Edwin Frederick Redrugus
HouseLouzar
FatherKing Thadeus II
ReligionThaerism

Edwin served twenty years in the Morstaybishlian Navy, becoming Rear Admiral and earning a medal of honour for actions in the Auroran Imperial War.