John William Friso is the most recent common ancestor of what
Dutch monarchs family tree:  The family lineage is of note as John William Friso is the most recent common ancestor of all the current monarchs of Europe. John William Friso, Prince of Orange: John William Friso, Prince of Orange-Nassau (Dutch: "Johan Willem Friso van Oranje-Nassau" ; 14 August 1687 – 14 July 1711) became the titular Prince of Orange in 1702.
i don't know