Mezue ahịrịokwu na-esonụ: N'afọ 1608, Sir Cahir O'Doherty, Onyeisi nke Aha nke O'Doherty Clan na Onyenwe Inishowen, malitere O'Doherty's Rebellion site
na-agba Derry ọkụ. Mgbe e merisịrị nnupụisi ahụ, ihe ka ukwuu n'ókèala nke O'Doherty Clan ka e nyere Arthur Chichester. N'ọnwa Julaị n'afọ 1990, emere nzukọ O'Dogherty Clan na Ramon Salvador O'Dogherty nke Spain ka emere ka ọ bụrụ Onye Isi nke Aha na emume na Belmont House, Derry. N'oge emume ahụ, e nyere ya mma agha nke Cahir O'Doherty ji n'oge ọnwụ ya n'agha na 1608.