Conversation so far:
When was Daniel Barenboim born?
Daniel Barenboim was born in 1942 in Buenos Aires, Argentina, to.
Who were his parents?
Argentinian-Jewish parents Aida (nee Schuster) and Enrique Barenboim.
He started.
Are there any other interesting aspects about this article?
On 15 June 1967, Barenboim and British cellist Jacqueline du Pre were married in Jerusalem at a Western Wall ceremony, Du Pre.
Did he have any children?
CANNOTANSWER.
What did his wife do?
Du Pre having converted to Judaism.
Acting as one of the witnesses was.

Question: Who was a witness to their marriage?
Self-contained rewrite: Who was a witness to Daniel Barenboim's marriage?