""A Sketch of the Life and Times of John De Witt, Grand Pensionary of Holland: To Which is Added, His Treatise on Life Annuities"" is a biographical work by Robert Gibbes Barnwell, published in 1856. The book provides a comprehensive overview of the life and political career of John De Witt, a prominent Dutch statesman who served as Grand Pensionary of Holland during the mid-17th century.The first part of the book focuses on De Witt's early life,...