“Ond, o ganlyniad i Brexit, mae amheuaeth erbyn hyn ynglŷn ag union ddyfodol y Deyrnas Unedig fel cynghrair wirfoddol o genhedloedd sy'n gweithio gyda'i gilydd er ein budd ni oll.
“But the very future of the United Kingdom as a voluntary association of nations working together in our common interests is now in question as a result of Brexit.