I have Porter Hemenway, 2nd son of Amos Hemenway. Porter was born March 18, 1811 and was killed by a fall of a tree on March 13, 1837.
Porter's father, Amos, was born April 12, 1771 and married Rachel Porter in 1804. Their three children were Ethan born March 15, 1805, Eleanor, and Porter.
This, taken from pages 25 and 26 of the "Genealogical Record of the Descendants of Daniel Hemenway of Shrewsbury, MA."