The remarkable discovery was made by 12-year-old BridgeAnne d’Avignon, of Salinas, California, who created a ground-breaking family tree that connected 42 of 43 U.S. presidents to one common, and rather unexpected, ancestor: King John of England.

‘They all have the trait of wanting power,’ d’Avignon told the station WFMY…

The only former commander-in-chief not linked to King John is the eighth president, Martin Van Buren, who had Dutch roots.