William Henry Harrison didn’t die of pneumonia. And a bunch of other things I didn’t know about our 9th president. March 7, 2016. By Chris Cillizza. I am an unapologetic political nerd.

John Tyler was born in 1790. He took office in 1841, after William Henry Harrison died. His last living grandchild, Harrison Ruffin Tyler, just passed away, on May 25, 2025.

The son of Benjamin Harrison, a signer of the Declaration of Independence, William Henry Harrison was raised on a Virginia plantation. Growing up, Harrison had no thought of becoming president.

He took office in 1841, after William Henry Harrison died. His last living grandchild, Harrison Ruffin Tyler, just passed away, on May 25, 2025. John Tyler, the 10th U.S. president, was born in 1790.