The plaque reads ...

Sir Roger Hale Sheaffe

1763-1851

On October 13, 1812, following Isaac Brock's death in a preceding assault, Major-General Sheaffe assumed command and lead a successful attack which dislodged an invading American force from Queenston Heoghts. Born in Boston Mass. Sheaffe was commissioned in the British army in 1779 and fought in the American Revolution and Napoleonic Wars. Arriving in Upper Canada in 1812, he served as administrator of the province 1812-13, and returned to England in the latter year. He was created a baronet in 1813, attained the rank of General in 1838 and died in Edinbourgh Scotland.