Robert Hewson Pruyn (February 14, 1815 – February 26, 1882) was an American lawyer, militia general, diplomat, and politician from Albany, New York. He was most notable for his service as Speaker of the New York State Assembly, Adjutant General of New York, and United States Minister Resident to Japan.
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Early life
Pruyn was born in Albany, New York, on February 14, 1815, the son of Casparus F. and Ann (née Hewson) Pruyn. The Pruyn (pronounced "Prine") family of Albany, New York was one of the oldest and most esteemed Dutch families in New York, and at the time of Robert's birth there, had resided in Albany for over two centuries.
Pruyn graduated from The Albany Academy, and received Bachelor of Arts (1833) and Master of Arts (1836) degrees from Rutgers University. He studied law with Abraham Van Vechten, was admitted to the bar, and practiced in Albany.
Political, military, and diplomatic service
Pruyn served as Albany's corporation counsel and was a member of the city council. Active in the state militia, he was named Judge Advocate General in 1841, serving until 1846, and again in 1851.




