Tuhia he tomokanga mō tēnei wāhanga - I marenatia a Cathbarr ki a Rosa O'Doherty, te tuahine o te rangatira o Inishowen, a Tā Cahir O'Doherty i whawhai i te taha o te Karauna i te wā o te tutu a Tyrone, engari i whakarewaina e ia i muri mai te tutu a O'Doherty mā te tahu i a Derry
He aha? I te tau 1607 i haere tahi a Cathbarr raua ko Rosa ki a Rory i te Rerenga o nga Earl ki Europe Continental. I te tau e whai ake nei ka mate a Cathbarr raua ko Rory i te rewharewha i te rerenga o Itari, a ka riro te kaiarahi o te O'Donnell ki te tama a Rory.