If you are from the UK, then you do not need a passport to enter the Republic of Ireland, as they are within what's known as the "common British travel area" - allowing citizens of the British Isles to travel freely within the areas.
However RyanAir may require a passport to prove that you are a UK citizen. Your best bet is to call RyanAir customer service and ask them.
The Filles De Roi was important because they could marry and reproduce (have kids) or slept with men which would populate france.
Roi = רוי
Roi Carballido's birth name is Roi Carballido Facal.
Roi means 'king'
Roi Fabito
Guinness (ROI), Kilkenny (ROI), Harp (ROI), Smithwicks (ROI), Windhoek (Namibia), Kaliber (non alcoholic), Red Stripe (Jamaica), Tusker (Kenya)- Budweiser, Carlsberg under license (ROI).
Roi capital was created in 2002.
Roi capital's population is 32.
Corrado Roi was born in 1958.
Alice Roi was born in 1976.
Roi Heenok was born in 1974.
L'enfant Roi was created in 2009.