John Ystumllyn
... that John Ystumllyn has been described as the first black person of North Wales "about whom we have detailed knowledge"?
... that <b id="mwArs"><a href="./John_Ystumllyn" id="mwArw" rel="mw:WikiLink" title="John Ystumllyn">John Ystumllyn</a></b> <i id="mwAr0">(portrait shown)</i> has been described as the first black person of <a href="./North_Wales" id="mwAr4" rel="mw:WikiLink" title="North Wales">North Wales</a> "about whom we have detailed knowledge"?