Edward Francis Blewitt (January 2, 1859 – May 26, 1926) was an American civil engineer, businessman, and politician who served as a Democratic member of the Pennsylvania State Senate for the 22nd district from 1907 to 1910.

[6] Blewitt attended Lafayette College, serving as class president, and earned a Bachelor of Science degree in civil engineering in 1879.

[7] Blewitt worked as an engineer in Lehigh Valley, Pennsylvania mining operations.

[8] Blewitt was the co-founder of the Friendly Sons of St. Patrick in Scranton in 1908 and was a member of the Benevolent and Protective Order of Elks.

From this marriage (through their daughter Geraldine), Blewitt is the matrilineal great-grandfather of Joe Biden, the 46th president of the United States.