Bydd rhai o Weinidogion Llywodraeth Cymru yn mynychu’r cyfarfodydd, ynghyd â rhai o Weinidogion Llywodraeth yr Alban a swyddogion o wasanaeth sifil Gogledd Iwerddon.
Ministers from the Welsh Government will attend alongside those from the Scottish Government and officials from the Northern Ireland civil service. The meetings will be informed by technical discussions at official level.