A visit rich in both diplomacy and family history is on the horizon, with Canadian Prime Minister Mark Carney set to travel to Ireland next week. Mr Carney will begin in Dublin, where he is due to meet Taoiseach Micheál Martin in the first bilateral visit to Ireland by a Canadian Prime Minister in nearly a decade. He will then travel west to Co Mayo, where he is scheduled to meet President Catherine Connolly. The trip also carries a personal dimension for Mr Carney: two of his grandparents left Aughagower, near Westport, for…