Family: Duncan Earl Caithness (maid. name 1) / Groa Thorsteinsdottir (maid. name 1)

Maternal line Duncan Earl Caithness (maid. name 1)
Thurid Eyvindsdatter (maid. name 1) 847 - 868  (21 years)	_	Constatine II ( King of Scotland) MacAlpin (maid. name The wine bountiful) 900 - 943  (43 years)
|
Rafertach Maccearbhall (maid. name 1) 830 - 847  (17 years)	_	Eyvind ' The Easterling' Austmann Bjarnasson (maid. name 1) 830 - 900  (70 years)
|
Unknown	_	Cearbhall /MacDunghal King of Osraige in Ireland Abt 900 - Abt 888  (~ 88 years)

Maternal line Groa Thorsteinsdottir (maid. name 1)
Unknown	_	Thorstein (the red) Olafsson 0858 - 0888  (~ 30 years)