Complex sentence: Noted post-war Prime Minister Yoshida Shigeru was Makino's son-in-law, and the former Prime Minister, Asō Tarō, is Makino's great-grandson.
Split into simpler sentences: Noted post-war Prime Minister Yoshida Shigeru was Makino's son-in-law. The former Prime Minister, Asō Tarō, is Makino's great-grandson.