David Haraldsson was joint Earl of Orkney

Earl of Orkney

The Earl of Orkney was originally a Norse jarl ruling Orkney, Shetland and parts of Caithness and Sutherland. The Earls were periodically subject to the kings of Norway for the Northern Isles, and later also to the kings of Alba for those parts of their territory in mainland Scotland . The Earl's...

 from 1206 to 1214.
David Haraldsson and his brother Jon Haraldsson

Jon Haraldsson

Jon Haraldsson was Earl of Orkney between 1206 and 1231.Jon Haraldsson and his brother David were the sons of Harald Maddadsson with his second wife Hvarflod, daughter of Earl Máel Coluim of Moray. Jon and David were joint Earls of Orkney after the death of their father...

 were the sons of Harald Maddadsson

Harald Maddadsson

Harald Maddadsson was Earl of Orkney and Mormaer of Caithness from 1139 until 1206. He was the son of Matad, Mormaer of Atholl, and Margaret, daughter of Earl Haakon Paulsson of Orkney...

 with his second wife Hvarflod, daughter of Earl Máel Coluim of Moray

Máel Coluim of Moray

Máel Coluim of Moray was King or Mormaer of Moray , and, as his name suggests, the son of a Máel Brigte...

. Jon and David became joint Earls of Orkney after the death of their father in 1206. David Haraldsson died of sickness in 1214, leaving Jon Haraldsson to rule alone.

Sources

• Pálsson, Hermann and Paul Edwards, tr. Orkneyinga Saga: The History of the Earls of Orkney (Penguin, London, 1978)