The court found those undertakings were legally enforceable and concluded it was not reasonable for the former First Minister to depart from them.
Daeth y llys i’r casgliad fod yr hyn yr ymgymerwyd i’w wneud yn orfodadwy yn gyfreithiol ac nad oedd yn rhesymol i’r cyn Brif Weinidog wyro oddi wrth hynny.