Here are links to help you learn more about Henry Wadsworth Longfellow's life, his ancestors and poetry. The links are in no particular order and are broken into categories to make your search easier.

Biography http://www.poetsgraves.co.uk/longfellow.htm http://www.wikipedia.org/wiki/Henry_Wadsworth_Longfellow http://en.wikipedia.org/wiki/Henry_Wadsworth_Longfellow https://www.poetryfoundation.org/poets/henry-wadsworth-longfellow https://www.britannica.com/biography/Henry-Wadsworth-Longfellow http://www.auburn.edu/~vestmon/longfellow_bio.html http://www.notablebiographies.com/Lo-Ma/Longfellow-Henry-Wadsworth.html http://www.oxfordbibliographies.com/view/document/obo-9780199827251/obo-9780199827251-0029.xml   Poetry & Longfellow’s Writings http://www.bartleby.com/102/60.html (Note: This website has pop-up ads.)   Quotes https://www.brainyquote.com/authors/henry-wadsworth-longfello-quotes