Burckhardt Helferich died in 1982.
Rebecca Helferich Clarke died on October 13, 1979 at the age of 93.
Rudy Burckhardt died in 1999.
Jenny Burckhardt died in 1935.
Titus Burckhardt died in 1984.
Carl Jacob Burckhardt died in 1974.
Heinrich Christian Burckhardt died in 1879.
Gottlieb Burckhardt died on 1907-02-06.
William Burckhardt Barker died in 1856.
Jacob Burckhardt died on August 8, 1897 at the age of 79.
Lutz-Wilhelm Burckhardt died on 1993-01-02.
Johann Karl Burckhardt died on 1825-06-22.
Johann Ludwig Burckhardt died on 1817-10-15.