Born in Prague during the war, Karol Sidon is a distant relative of rabbi Yosef Chaim Sonnenfeld.
To help restore the Jewish Orthodox community Rabbi Sidon invited many young rabbinical families from Israel.
It did not affect his status as Rabbi of the Czech Republic, as he retained support of the Federation of Jewish Communities.
[1] In April 2004 a coalition headed by Tomáš Jelínek succeeded in installing new leadership of the Prague community.
In June, in a controversial move, they ousted Sidon from his position as head of the community and its main synagogue, the Altneuschul.
The second vote's validity was contested by Jelinek's group, but the national Federation of Jewish Communities recognized and accepted it in January 2005.
"[10] On 15 April 2005 the two factions brawled, when Sidon was offered an honor at the synagogue's Sabbath services, by the gabbai Jacob Svab.
The last three seats went to community members who did not join either group [13] Sidon was promptly restored to his position the next day.
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