Israeli police handed down a NIS 5,000 fine to the organisers of the event, and opened an investigation into violations of licensing laws at the venue.
It was also reported that organisers had been concerned that Israeli police would break up the event, and had sought to stop those present from taking photos or bringing cameras into the venue by threatening reprisals against those who did not follow their guidance and searching those attending.
Rabbi Rokeach, who is often considered the second-most important Chasidic leader in Israel, is among the few senior Orthodox leaders to have largely ignored coronavirus restrictions, and also hosted a large gathering at Passover.
Rabbi Rokeach is a senior member of the Council of Torah Sages of the Agudat Yisrael faction of United Torah Judaism, a strictly Orthodox party that is a partner in Prime Minister Benjamin Netanyahu's coalition.
In 2013, an estimated 25,000 attended a wedding to another grandson, Shalom.
