ב-65' ביקר צ'ה גווארה בישראל ונפגש עם אחיינו: אריק שרון  

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Probably, everything began at the end of 1964. Possibly then Ernesto's mother, sensing close death (she will die in May 1965) disclosed to her son the surprising history of its life. Celia De La Serna was borne in 1908 into Buenos Aires religious family of Jewish emigrants from Russia. Girl named - Celia in memory of her aunt killed during the pogroms. Until age of eighteen Celia Sheinerman grew in the closed and stuffy emigrant ghetto, getting traditional Jewish education. However, upon official maturity, she immediately left the parents' house and religion, changed her Jewish name and only an year later married Ernesto Guevara Linch, a native of Argentina a. A year later she gave birth to Ernesto. Neither Che nor his four brothers and sisters ever suspected their Jewish roots.
(...)
On 19 February, 1965, Guevara arrives to Egypt. In the United Arab Republic, which included then Egypt and Syria, Che will stay for a week week until 24 February. And then on 1 March he reappears in the Nile valley, remaining in Egypt for almost two weeks. But where has the Cuban minister spent the days between February 24 and March 1? The answer to this question became known only in 2007, when some CIA documents were declassified.

On 25 February, 1965, Guevara leaves Egypt for Cyprus, and from there arrives to Israel, having for the first time entered the land of his ancestors. Guevara arrives in Israel incognito, he turns himself to the emigration service in Haifa in the almost futile attempt to find the family of his uncle; and the miracle happens: he reveals that he has a cousin of the same age!

However, the cousin also did not preserve the parental surname. Eventually Ernesto Che Guevara meets in in Tel Aviv this cousin, the commander of the division of the combat training section of general staff, recently promoted to the rank of Major General - Ariel Sharon(...)