The name spelling Tiertsoo—Tietsoo—Titso—Titsoort—Ditsoort— Tietzoo.

1. WILLIAM TIETZOO, the emigrant, came from near Schenectady, where several of his children were born, and settled near Oesopus, where he remained many years. Of his children,

2. Stephanus Tietsoort, m. Sara Hornbeck, Oct. i8, 1702, his son,

3. William Tietsoort, died Mar. 4, 1791, was the settler at Meckheckemeck valley at the bend of the Neversink river, about two miles north of Port Jervis, in little Menissing. With his sister and families he fled from the valley during the French and Indian war, and with his brother-in-law Hendrick Decker and others founded Deckertown. He married Sarah Decker. His son,

4. Stephen Titsworth, b. April 3, 1734, d. April 17, 1787, m. Catherine Coykendall, d. Nov. 17, 1800. His son,

5. Amos Titsworth, b. June 23, 1787, d. Feb. 19, 1856, m. Olivy De Witt, b. Jan. 7, 1785, d. Mar. 30, 1871, dau. of Moses De Witt. He lived in the Clove valley in New Jersey. His son,

6. Walter Wallace Titsworth, b. Dec. 21, 1822, d. Mar. 21, 1914, m. Lydia Cuddeback.