The book did not say Betsey married.
Copied from the book Hathaways of America, 1965:
Page 25:
93 iii -- Job, b. 28 Oct. 1736 or 1737
Page 46:
93. Job 6(Meletiah 5Jacob 4John 3John 2Nicholas 1) b. Freetown, 28 Oct. 1737; d. Taunton, 11 Feb. 1796; g.s. near Myricks Railroad station, at entrance of old Cattle Show grounds; stones taken up and thrown on wall, those of Job, his son John, dau. Betsey, and son Abiel's dau. Mercy. His will dated 8 Dec. 1795 (Taunton 34-20) pro'd 1 Mar. 1796. Yeoman, served in Revolution under Capt. Samuel Fales and Col. Dagget. He m. Taunton, 7 August 1760, Mary Chase, dau. Benjamin 3d and Mercy (Briggs) Chase, b. Little Compton, R.I., 18 Apr. 1741 (N.E.H.G.R.87-139); but Arthur Paine believed Mary's mother was Sylvia (Taunton Deeds 81-520); she d. after 2 Nov. 1802. Job's estate divided 10 Nov. 1798 (Taunton 36-278)
Children:
i -- Lois, b. 3 July 1761
240 ii -- Job
241 iii -- Benjamin
242 iv -- Abiel
v -- Rebecca, b. 1 March 1766
243 vi -- Meletiah
vii -- John, b. 16 April 1776; d. Taunton, 9 Feb. 1788
viii -- a child died 7 Oct. 1788
ix -- Mercy, m. Taunton (Freetown rec.) 2 July 1796, Noah Richmond, b. Middleboro, 30 July 1768; d. 11 Oct. 1846 (Did they remove to Hardwick, Mass.?)
x. -- Mary, m. Freetown, 7 Jan. 1801, William Crossman, both of Taunton (?3 July)
xi -- Betsey, died Taunton, 20 Jan. 1798; her estate divided 10 Nov. 1798 (Taunton 36-278)