Every family story contains a kernel of truth. Over time, memories grow, details blur, and what seems plausible becomes accepted as fact. Historians call this “confabulation”—unintentional misremembering. It is how legends are born. One of Gloucester’s most enduring legends claims that Thomas Jefferson wrote the Declaration of Independence at Rosewell, the grand brick manor now ruins overlooking the York River. One such legendary story appeared in a 1934 Gloucester Gazette article written by Commodore Charles H. Fahs, who recalled tales told by his grandfather, Joseph Lilly Deans (1811-1881). According to family lore, Jefferson sat in Rosewell’s elegant Blue Room, drafting the Declaration among distinguished friends before carrying it to Philadelphia, where it was “practically adopted unamended.” It is a wonderful image. There is just one problem: it isn’t true. Curious to test the tale using the latest research tools, I asked the voice assistant in my kitchen whether Jefferson wrote t...