The Amendment would limit House members to six consecutive two-year terms and Senators to two consecutive six-year terms. These limits would apply prospectively, after two-thirds of the states have ratified the Amendment.
https://barr.house.gov/issues/term-limits
The amendment limited members of the Senate to two six-year terms and members of the House to six two-year terms. However, constitutional amendments require a two-thirds majority and the votes to impose term limits on Congress fell short of that number. In May 1995, the United States Supreme Court ruled 5-4 in U.S. Term Limits, Inc. v. Thornton (1995).
https://www.boundless.com/political-science/textbooks/boundless-political-science-textbook/congress-11/congressional-elections-81/congressional-terms-and-term-limits-447-1558/
1 In the 1990s, reformers put congressional term limits on the ballot and the main Republican Party platform was to pass legislation setting term limits in Congress.  A proposed amendment limited members of the Senate to two six-year terms and members of the House to six two-year terms. The amendment was never passed.
https://www.boundless.com/political-science/textbooks/boundless-political-science-textbook/congress-11/congressional-elections-81/congressional-terms-and-term-limits-447-1558/
I believe that term limits will diminish the incentive of Members to focus solely on reelection, and help achieve our Founding Fathers’ vision of a Congress composed of citizen legislators dedicated to promoting the national interest rather than their own self-interest.
https://barr.house.gov/issues/term-limits
Barr Introduces Term Limits Legislation. WASHINGTON, D.C. – U.S. Rep. Andy Barr last week introduced House Joint Resolution 26; a proposed amendment to the United States Constitution that would cap at 12 the number of consecutive years which members of the House and the Senate could serve in office.
https://barr.house.gov/issues/term-limits
One President Served More Than Two Terms. The only president to serve more than two terms was Franklin D. Roosevelt. In 1940 he won the election for his third term. Four years later in 1944, he ran again. He became the only president to be elected to a fourth term.
http://biography.yourdictionary.com/articles/which-president-served-more-than-two-terms.html
As a result of that proposal, the Twenty-Second Amendment to the Constitution was formed limiting the number of terms that the president may serve to two. The amendment was passed by Congress on March 21, 1947, and was ratified on February 27, 1951. Link/Cite.
http://biography.yourdictionary.com/articles/which-president-served-more-than-two-terms.html
Under my proposal, Senators would be limited to no more than two consecutive full terms, while Representatives in the House would be limited to no more than six consecutive full terms.
https://barr.house.gov/issues/term-limits
Summarize the attempts to impose term limits on Senators and Representatives. Under the Constitution, members of the United States Senate may serve an unlimited number of six-year terms and members of the House of Representatives may serve an unlimited number of two-year terms.
https://www.boundless.com/political-science/textbooks/boundless-political-science-textbook/congress-11/congressional-elections-81/congressional-terms-and-term-limits-447-1558/
To address this concern, I have introduced House Joint Resolution 26 legislation that would amend the U.S. Constitution to impose term limits on Members of Congress.
https://barr.house.gov/issues/term-limits
whose number of terms is limited to two
The amendment limited members of the Senate to two six-year terms and members of the House to six two-year terms. The Senate and members of the House is limited to two terms.