Question: Who is the grandfather of the current chairman of the Likud Party?

Context paragraphs:
Dan Meridor: Dan Meridor (Hebrew: דן מרידור‎ ‎ , born 23 April 1947) is an Israeli politician and minister.  A longtime member of the Likud party, in the late 1990s he became one of the founders of the Centre Party.  He rejoined Likud in the early 2000s, and returned to the Knesset following the 2009 elections.  Meridor previously served in government as Deputy Prime Minister and Minister of Intelligence and Atomic Energy in the Israeli Cabinet.  In 2014, Meridor succeeded Avi Primor as president of the Israel Council on Foreign Relations, an institute of international affairs which operates under the auspices of the World Jewish Congress.

Benjamin Netanyahu: Benjamin "Bibi" Netanyahu (Hebrew:    ; born 21 October 1949) is the current Prime Minister of Israel.  Netanyahu also currently serves as a member of the Knesset and Chairman of the Likud party.

Likud leadership election, 2014: A leadership election was held by the Likud party on 31 December 2014.  It was won by incumbent Prime Minister and leader of Likud Benjamin Netanyahu.

2002 Beit She'an attack: The 2002 Beit She'an attack, which took place during November 28, 2002, was a terrorist attack carried out by members of the Al-Aqsa Martyrs Brigades in the city of Beit She'an, Israel.  Gunmen opened fire and threw grenades at the Likud party polling station where party members were casting their votes in the Likud primary.

Sanghiya Sadbhawna Party: The Nepal Sadbhavana Party is a regional political party in Nepal that works for Madhesi rights.  It was founded in 2011 as the Sanghiya Sadbhavana Council after splitting from the Nepal Sadbhavana Party and in 2015 Nepal sadhbhawana party led by sarita giri and sanghiya sadbhawana led by Anil kumar jha both joined and become a single party named Nepal sadbhawna party.Anil kumar jha is the current chairman of this party, Anil Kumar Jha who is the current chairman.

Israeli presidential election, 2000: Elections for the President of Israel were held in the Knesset on 31 July 2000, following Ezer Weizman's resignation.  Moshe Katsav, a prominent Likud politician, ran against Shimon Peres, a previous Prime Minister of Israel.  In a surprising upset, the Knesset elected Katsav, by 63 to 57.  Katsav assumed office as President on 1 August 2000.  He was the first President of Israel to have been sworn in for a seven-year term, as well as the first candidate from the right-wing Likud party to be elected to the office.

Likud Haredi faction: Likud Haredi faction (HFL, Hebrew: המטה החרדי בליכוד‎ ‎ ), founded on 15 March 2011 in Bnei Brak, is a group of Likud party members affiliated with the Haredi sector.  The goal of the faction is to influence Israeli Knesset members and ministers of the Likud party to act "to strengthen Jewish identity and tradition in the Likud and Israel".

Pride in the Likud: Likud Pride (Hebrew: "גאווה בליכוד"; "Ga'ava BaLikud") is a conservative LGBT organization founded in 2011 and linked to the Israeli right-wing Likud party.  The groups chairman is Amir Ohana, who is also one of its founders, Amir Ohana, was designated in 2015 as the Likud's first openly gay member of the Knesset and also of the Israeli right-wing.

Zehut: The roots of Zehut lie in the Jewish Leadership movement within the Likud party, established in 1995 by Moshe Feiglin in order to seize the country's leadership through the ruling Likud party.  In the 2013 elections, Feiglin was elected for the Likud list for the Knesset, and served as deputy speaker of the 19th Knesset.

Nathan Mileikowsky: Rabbi Nathan Mileikowsky (August 15, 1879 – February 4, 1935) was a Zionist rabbi, educator, writer and political activist.  Mileikowsky's grandson is Israeli Prime Minister Benjamin Netanyahu.

Supporting paragraphs: Nathan Mileikowsky Benjamin Netanyahu
Answer: Nathan Mileikowsky