 Its 2007 investigation discovered that "Harry Potter" film actor Tom Felton is a relative of several participants including Lt. Nathaniel Felton and John Proctor, who was hanged during the trials.Its 2008 investigation discovered that U.S. President George W. Bush is a descendant or relative of up to 217 participants including as an 8th great-grandson of Mary Parker who was hanged during the trials.Sigfússon

Sigfússon is a surname of Icelandic origin, meaning "son of Sigfús".