I don't know if you're even still active on here but I have four children listed.
Descendants of William P. Greenough
Generation No. 1
1.WILLIAM P.2 GREENOUGH(JAMES1) was born Abt. 1831 in Maine.He married CHARLOTTE MORRISON.She was born Abt. 1835. Letters to his brother James Bradford Greenough are in Cambridge at Harvard University's Archives.
Children of WILLIAM GREENOUGH and CHARLOTTE MORRISON are: i. WALTER CONANT3 GREENOUGH, b. Abt. 1857, Massachusetts; d. 27 Dec 1898. ii. KATHERINE GREENOUGH, b. Abt. 1875, Massachusetts. iii. MARGARET GREENOUGH, b. Abt. 1874, Massachusetts. iv. FLORENCE C. GREENOUGH, b. 1869, Massachusetts.