US president Barack Obama's wife Michelle and their daughters will tour Dublin during the G8 summit.
Washington has released details of the First Lady's private trip to the Republic with daughters Malia and Sasha next Monday and Tuesday, including a visit to Trinity College and a special performance of Riverdance.
Mrs Obama will be shown archives in the Old Library of the university documenting her husband's Irish ancestry and also view the Book of Kells.
The couple visited the president's ancestral homeland in Co Offaly in May 2011.
Mrs Obama will stay in the Shelbourne Hotel next week.
The Riverdance troupe have agreed to put on a special show at a city theatre, which will also be attended by groups of local young people, President Michael D Higgins' wife Sabina and Taoiseach Enda Kenny's wife Fionnuala.
On Tuesday, Mrs Obama and her daughters plan to visit the Wicklow Mountains National Park, the White House said.
She will also take the opportunity to meet US embassy staff in Dublin during her short visit.
The Obamas will travel to Germany after the G8 summit in Northern Ireland ends.
Meanwhile, a security source has said there is no hard intelligence of any major public disorder planned in the Republic of Ireland during the G8.