What do Micheál Martin and Packie Bonner have in common? They're both twins.
More twins are being born than ever before with one in 40 children part of a pair.
On one road in Clontarf in north Dublin visited by RTÉ News there were not one, not two, not three - but four sets of twins.
Aine and Katie Nolan were in their double buggy, ploughing down the road beside them on matching motortrikes were three-year-olds Éatan and Árón Grogan.
Muireann and Donncha Murray, who turned five yesterday, are marshalling the others while eight-year-olds Lily Rose and Ava May Pedreschi scoot by.