4 cc.; 95% alcohol, 25 cc.; saturated aqueous solution of ammonia alum, 400 cc.; expose in an unstoppered bottle to sun and air three or four days; filter and add 100 cc. of glycerin and 100 cc. of 95% alcohol. Dorland's Medical Dictionary (1938) Personal life On January 17, 1870 in Mulenburgh's church (6th avenue and 20th) Francis Delafield married Katherine Van Rensselaer (1849–1901), the daughter of Henry Bell Van Rensselaer and the granddaughter of Stephen Van Rensselaer III. Together, they were the parents of one son and three daughters: Elizabeth "Bessie" Ray Delafield (1872–1923), who was active in the missions of the Episcopal Church and worked with the wounded during World War I. Julia Floyd Delafield (1874–1952), who married Frederick S. Crosby. They were the grandparents of the musician David Crosby. Cornelia Van Rensselaer Delafield (b. 1876) Edward Henry Delafield (1880–1955) Delafield died in Noroton, Connecticut while visiting his sister. For some time he had been in poor health, and a week before his death suffered an attack of apoplexy. He was buried in Grace Church Cemetery at Jamaica, Long Island. Delafield Island Between 1859 and 1865, his father Dr. Edward Delafield, assembled a tract of land in Darien, Connecticut. After his parents died, in the summer of 1879, Francis Delafield inherited the entirety of the property in Darien then called "Delafield Farm". After the death of Francis, the property was looked after by his spinster sister Emma Harriot Delafield. When she died in 1921, the property then went to the only son of Francis: Edward Henry Delafield. After the 1929 stock market crash, Edward partitioned and parcelled off the land over the ensuing years. In an effort to sell land, the name was changed to "Delafield Wood" then "Delafield Estates" until Edward settled on the current name "Delafield Island". Edward Henry Delafield was a graduate of Yale college. He married Winifred Folsom and had four daughters. He lived on Delafield Island until his death in 1955. His daughter Elizabeth Van Rensselaer Delafield (1908–1983) lived on Delafield Island for many years. She had two children from her first marriage to the architect Robert Spurgeon; And two children from her second marriage to the attorney Frank A. Zunino Jr. Lineage Francis Delafield was of the family of Count de la Feld, which dates back to the darkest period of the Middle Ages (about the sixth century) and seated at the