Original: At this, RuairÃ Ã "BrÃ daigh led a small walkout, just as he and Sean Mac Stiofain had done sixteen years earlier with the creation of Provisional Sinn FÃ in.
Simplified: This made RuairÃ Ã "BrÃ daigh lead a small walkout, just as he had done years earlier to create Provisional Sinn FÃ in.