de Klerk 
(də klûrk, klĕrk), F(rederik) W(illem) Born 1936.
(də klûrk, klĕrk), F(rederik) W(illem) Born 1936. South African president (1989-1994) who shared the 1993 Nobel Peace Prize with Nelson Mandela for his efforts toward ending apartheid.
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- consentaneity