1911 Encyclopædia Britannica, Volume 21… (1911)
“ Before he had had time to embark on this enterprise he heard that the Highland clans of Maclean and MacDonnell were raiding Ulster at the invitation of Sorley Boy MacDonnell, the Scoto-Irish constable of Dunluce Castle. He marched into Ulster, but Sorley Boy escaped him, and crossed to Scotland, only to return later with reinforcements. ”
