In Israel, Horacio Cartes will discuss bilateral interests in the areas of agriculture, technology and education with the prime minister and president.
Given the antique documents as a gift by a German host, the Israeli leader delivered them to Yad Vashem, likely without knowing he was doing something illegal, a German journalist said.
The demonstrators gathered at the start of a hearing appealing a ruling by the Petach Tikvah rabbinical court not to recognize a conversion by a prominent New York Orthodox rabbi.