William Chamberlain [#17], s/o Jacob, b. in part of Cambridge that is now Arlington about 1697, bp. First Church Cambridge 9 Jul 1699, d. Rochester, NH, bet. 23 Apr and 30 May 1753, m. abt. 1719 Mary, d/o Capt. Samuel Tebbetts and Dorothy Tuttle. Will [full transcript provided] dated 23 Apr 1753, proved 30 May 1753, mentions wife Mary Chamberlin; sons William [executor], Ebenezer, Samuel [under 21], Jacob [under 21], and Ephraim [youngest son]; daughters Mary Door, Rebecca Trickey, Experience Knowls, Dorothy Emerson & Anna Leighton. Dover Land Grant: 7 Feb 1720/21: "Capt. Samuell Tebbets of Dover ... quit his Clame to 40 Acres .. which his Sone In Law William Chamberline is Setteled upon ..."