Wilkinson then resigned (March 1778) his newly-acquired commission, but later re-entered the service in the quartermaster, He died in London on the 19th of general's department, and was clothier-general from July 1779 to March 1781.
After the Mexican war he served in the West, in Florida and elsewhere; was married in 1850 to Miss Almira Russell of St Louis; became first lieutenant in 1853, and assistant-quartermaster with the rank of captain in 1855.
Gneisenau apparently selected Wavre, not with the intention of assisting his ally, but rather to re-establish his own line of communication, and the presence of the Prussians on the field of battle of Waterloo must be put down to the immortal credit of Blucher and Grolmann, his quartermaster-general.
He was military agent in New Orleans in 1809-1810, was deputy quartermaster-general in April - July 1812, and was in active service in the War of 1812 as adjutant and inspector-general in the campaign against York (now Toronto), Canada, and in the attack on York on the 27th of April 1813 was in immediate command of the troops in action and was killed by a piece of rock which fell on him when the British garrison in its retreat set fire to the magazine.
In June 1775 he entered the continental service as Washington's first aide-de-camp, and in August was chosen quartermaster-general.