Francis de Courcy Hamilton looked askance at the informational sign near the base of the Robert Ross monument, a 30-meter granite obelisk on a hill overlooking the majestic waters of Carlingford Lough.

" 'Gen. Ross is reputed to have burned down the White House,' " Hamilton read. "Excuse me — there's nothing 'reputed' about it."

Hamilton should know, being among several Ross descendants participating in a unique conference in the hometown of the British general who captured Washington in August 1814.