Ildulb mac Causantín, anglicised as Indulf or Indulph, nicknamed An Ionsaighthigh, "the Aggressor" was king of Alba from 954 to 962. He was the son of Constantine II; his mother may have been a daughter of Earl Eadulf I of Bernicia, who was an exile in Scotland.
- Occupation
- sovereign
- Position held
- Monarch of Scotland
- Citizenship
- Kingdom of Scotland
- Born
- 901
- Died
- 962
