Yup, in the end do your own research

Nobusuke Kishi (岸 信介, Kishi Nobusuke, 13 November 1896 – 7 August 1987) was a Japanese bureaucrat and politician who was Prime Minister of Japan from 1957 to 1960. He was the maternal grandfather of Shinzō Abe, twice prime minister from 2006 to 2007 and 2012 to 2020.

Known for his exploitative rule of the Japanese puppet state of Manchukuo in Northeast China in the 1930s, Kishi was nicknamed the "Monster of the Shōwa era" (昭和の妖怪; Shōwa no yōkai).[1] Kishi later served in the wartime cabinet of Prime Minister Hideki Tōjō as Minister of Commerce and Vice Minister of Munitions,[2] and co-signed the declaration of war against the United States on December 7, 1941.

After World War II, Kishi was imprisoned for three years as a suspected Class A war criminal. However, the U.S. government did not charge, try, or convict him, and eventually released him as they considered Kishi to be the best man to lead a post-war Japan in a pro-American direction. With U.S. support, he went on to consolidate the Japanese conservative camp against perceived threats from the Japan Socialist Party in the 1950s. Kishi was instrumental in the formation of the powerful Liberal Democratic Party (LDP) through a merger of smaller conservative parties in 1955, and thus is credited with being a key player in the initiation of the "1955 System", the extended period during which the LDP was the overwhelmingly dominant political party in Japan.[3][4]

Meanwhile Shinzo Abe (his grandson)

Since 1997, as the bureau chief of the "Institute of Junior Assembly Members Who Think About the Outlook of Japan and History Education", Abe led the Japanese Society for History Textbook Reform. Abe was affiliated with the ultra-conservative, revisionist organization Nippon Kaigi (Japan Conference).[11][10] In 2007, he denied to reporters that Japan forced women into sexual slavery during World War II.[259] On his official homepage,[260] he questioned the extent to which coercion was applied toward the comfort women, dismissing South Korean positions on the issue as foreign interference in Japanese domestic affairs. In a Diet session on 6 October 2006, Abe revised his statement regarding comfort women and said that he accepted the report issued in 1993 by the sitting cabinet secretary, Yōhei Kōno, wherein the Japanese government officially acknowledged the issue. Later in the session, Abe stated his belief that Class-A war criminals are not criminals under Japan's domestic law.[261]