From Robert Randall and the Le Breton flats.... :
In the following Spring he [John LeBreton] took an active part in a battle with the Americans on the Miami, being mentioned in General Proctor's dispatch in these terms:
"Lieut. LeBreton of the R.N.F.L. Regiment, Assistant Engineer, by his unwearied exertions rendered essential service".
And later in the same dispatch General Proctor wrote--"I have to notice Captain Chambers' gallant conduct in the attack near the batteries at the point of the bayonet, a service in which he was well supported by Lt. LeBreton of the R.N.F. Land Regiment".