Question: Israel Washburn Sr. (1784–1876) was a Massachusetts politician and brother of Reuel Washburn, several sons pursued politics as well, including  Cadwallader Colden Washburn (April 22, 1818May 14, 1882) was an American businessman, politician, and soldier noted for founding what would later become ?

Context articles: Reuel Washburn
EMLL 15th Anniversary Show
William D. Washburn
William Gwynn
William B. Washburn
Israel Washburn
Cadwallader D. Colden
Cadwallader C. Washburn
Israel Washburn Jr.
Cyrus Woodman

Reuel Washburn (May 23, 1793 – March 4, 1878) was an American judge and politician.
Mexican professional wrestling promotion Empresa Mexicana de Lucha Libre (EMLL) commemorated their 15th anniversary with two "'EMLL 15th Anniversary Shows".
 The first Anniversary show was held on September 22, 1948 in Arena Coliseo in Mexico City, Mexico, EMLL's main venue.
 The second event took place two days later on September 24, 1948 in Arena Modelo.
 The events commemorated the 15th anniversary of EMLL, which would later become the oldest professional wrestling promotion in the world.
 The Anniversary show is EMLL's biggest show of the year, their Super Bowl event.
 The first anniversary show featured the EMLL debut of Blue Demon, who would later become one of the iconic figures of Mexican wrestling.
William Drew "W.D." Washburn, Sr. (January 14, 1831 – July 29, 1912) was an American politician.
 He served in both the United States House of Representatives and the United States Senate as a Republican from Minnesota.
 Three of his seven brothers became politicians: Elihu B. Washburne, Cadwallader C. Washburn, and Israel Washburn, Jr. He was also cousin of Dorilus Morrison, the first mayor of Minneapolis.
 He served in the 46th, 47th, 48th, 51st, 52nd, and 53rd congresses.
William Gwynn (1856 - 1 April 1897) was a Welsh international rugby union forward who played club rugby for Swansea and would later become secretary of the Welsh Rugby Union.
 Gwynn was an all-round sportsman and as well as his success on the rugby pitch he also player cricket for Swansea, of which he became vice-president, and Glamorgan.
 Gwynn had also played association football and had captained Battersea College XI through two undefeated seasons.
 He would later become a referee and would officiate the very first football game between Swansea Town and Cardiff City.
William Barrett Washburn (January 31, 1820 – October 5, 1887) was an American businessman and politician from Massachusetts.
 Washburn served several terms in the United States House of Representatives (1863–71) and as the 28th Governor of Massachusetts from 1872 to 1874, when he won election to the United States Senate in a special election to succeed the recently deceased Charles Sumner.
 A moderate Republican, Washburn only partially supported the Radical Republican agenda during the American Civil War and the Reconstruction Era that followed.
Israel Washburn Sr. (1784–1876) was a Massachusetts politician and brother of Reuel Washburn.
 He married Martha Benjamin "Patty" Washburn and had eleven children with her, including seven sons (one child died shortly after birth, however).
 Several went on to pursue politics as well: Israel Washburn Jr., Elihu B. Washburne, Cadwallader C. Washburn, and William D. Washburn.
 Charles Ames Washburn was an elector and a diplomat.
Cadwallader David Colden (April 4, 1769 – February 7, 1834) was an American politician.
 He served as the 54th Mayor of New York City.
Cadwallader Colden Washburn (April 22, 1818May 14, 1882) was an American businessman, politician, and soldier noted for founding what would later become General Mills.
 A member of the Washburn family of Maine, he was a U.S. Congressman and governor of Wisconsin, and served as a general in the Union Army during the American Civil War.
Israel Washburn Jr. (June 6, 1813 – May 12, 1883) was a United States political figure.
 Originally a member of the Whig Party, he later became a founding member of the Republican Party.
 In 1842, Washburn served in the Maine House of Representatives.
Cyrus Woodman (June 2, 1814 – March 30, 1889) was a lawyer, businessman and land speculator whose business affairs were influential in the State of Wisconsin.
 He was native of Buxton, Maine, and a graduate of Bowdoin College and Harvard Law School.
 He was a charter member of the Wisconsin Historical Society and an associate and close friend of the Wisconsin politician Cadwallader C. Washburn.
 In semi-retirement after 1864 he lived in Cambridge, Massachusetts.