__
_Alpin _|__
_Kenneth I MACALPIN _|
| | __
| |________|__
_Constantine II _|
| | __
| | ________|__
| |_____________________|
| | __
| |________|__
|
|--Donald II
|
| __
| ________|__
| _____________________|
| | | __
| | |________|__
|_________________|
| __
| ________|__
|_____________________|
| __
|________|__