An Taoiseach, Mr. Enda Kenny TD, o Lywodraeth IwerddonYsgrifennydd Gwladol yr Alban, y Gwir Anrhydeddus David Mundell AS, o Lywodraeth y DUPrif Weinidog Gweithrediaeth Gogledd Iwerddon, Mrs Arlene Foster MLA, a'r Dirprwy Brif Weinidog, Mr Martin Mc Guiness MLA,Prif Weinidog Llywodraeth Ynys Manaw, yr Anrhydeddus Allan Bell MHK,Prif Weinidog Llywodraeth Jersey, y Seneddwr Ian Gorst,Prif Weinidog Llywodraeth Guernsey, y Dirprwy Gavin St Pier.
An Taoiseach, Mr. Enda Kenny TD, of the Irish GovernmentSecretary of State for Scotland, Rt Hon David Mundell MP, of the UK Government,Northern Ireland Executive First Minister, Mrs Arlene Foster MLA, and the deputy First Minister, Mr Martin McGuinness MLA,Isle of Man’s Chief Minister, Hon. Allan Bell MHK,Chief Minister, Senator Ian Gorst, of the Government of Jersey,Chief Minister, Deputy Gavin St Pier of the Government of the Guernsey.