 On 29 December 1951 , in Hamburg , Stockhausen married Doris Andreae ( Kurtz 1992 , 45 ; Maconie 2005 , 47 ) . Together they had four children : Suja ( b . 1953 ) , Christel ( b . 1956 ) , Markus ( b . 1957 ) , and Majella ( b . 1961 ) ( Kurtz 1992 , 90 ; Tannenbaum 1987 , 94 ) . They were divorced in 1965 ( Rathert 2013 ) . On 3 April 1967 , in San Francisco , he married Mary Bauermeister , with whom he had two children : Julika ( b . 22 January 1966 ) and Simon ( b . 1967 ) ( Kurtz 1992 , 141 , 149 ; Tannenbaum 1987 , 95 ) . They were divorced in 1972 ( Rathert 2013 ; Stockhausen @-@ Stiftung [ 2013 ] ) . 
