John Watts de Peyster

John Watts de Peyster
Born(1821-03-09)March 9, 1821
New York, New York, U.S.
DiedMay 4, 1907(1907-05-04) (aged 86)
New York, New York, U.S.
Allegiance United States
Service / branch New York State Militia
Years of service1845–1866
RankBrevet Major-General
Battles / warsMexican–American War
American Civil War
Spouse(s)Estelle Livingston
ChildrenJohn Watts de Peyster, Jr. (son)
Other workHistorian, lawyer, writer

John Watts de Peyster, Sr. (March 9, 1821 – May 4, 1907) was an American author on the art of war, philanthropist, and the Adjutant General of New York. He served in the New York State Militia during the Mexican–American War.