Shemuel Dayan was the father of Moshe Dayan, Shemuel was born in Zhashkov, Ukraine, and settled in Israel in 1908. He was a founding member of Deganyah Aleph, Deganyah Bet and Moshav Nahalal. He represented the moshav movement in Yishuv institutions, the Histadrut and at various Zionist Congresses. Dayan served in the first three sessions of the Knesset. Shemuel is the founder of the Dayan political dynasty, the only family to have three generations serve in the Knesset: Shmuel Dayan, his son Moshe Dayan and his granddaughter, Yael Dayan.
Source: Bard, Mitchell G. and Moshe Schwartz. 1001 Facts Everyone Should Know About Israel. Rowman & Littlefield Publishers, 2005.