Lucas van Foreest
... that 17-year-old Dutch chess grandmaster Lucas van Foreest has a brother, great-great grandfather, and great-great granduncle who have all been Dutch Chess Champions?
... that 17-year-old Dutch chess grandmaster <b id="mwApI"><a href="./Lucas_van_Foreest" id="mwApM" rel="mw:WikiLink" title="Lucas van Foreest">Lucas van Foreest</a></b> has a <a href="./Jorden_van_Foreest" id="mwApQ" rel="mw:WikiLink" title="Jorden van Foreest">brother</a>, <a href="./Arnold_van_Foreest" id="mwApU" rel="mw:WikiLink" title="Arnold van Foreest">great-great grandfather</a>, and <a href="./Dirk_van_Foreest" id="mwApY" rel="mw:WikiLink" title="Dirk van Foreest">great-great granduncle</a> who have all been <a href="./Dutch_Chess_Championship" id="mwApc" rel="mw:WikiLink" title="Dutch Chess Championship">Dutch Chess Champions</a>?