Mezue ahịrịokwu na-esonụ: A mụrụ Rosa O'Doherty, Rosa bụ nwa nwanyị Sir John O'Doherty, na nwanne nwanyị nke Sir Cahir O'Doherty. Ndị O'Doherty bụ ndị ọchịchị ọdịnala nke Inishowen. Sir Cahir lụrụ ọgụ n'akụkụ okpueze n'oge nnupụisi Tyrone (1594-1603). N'afọ 1608, iwe were ya n'ihi otú ndị ọchịchị obodo ahụ si mesoo ya ihe, ọ malitere Ọgba Agha O'Doherty site n'ịkpọpụ ndị ọchịchị obodo ahụ.
na-agba Derry ọkụ. E meriri Sir Cahir ma gbuo ya n'agha nke Kilmacrennan, ma napụ Inishowen ezinụlọ ya.