Jan Hendrik de Boer died in 1971.
Jan de Boer was born in 1859.
Jan Hendrik de Boer was born in 1899.
Klaas Jan de Boer goes by Klaassen.
Hannes de Boer died in 1982.
Ted De Boer died in 2004.
Johanna de Boer died on 1984-08-07.
Johannes de Boer died on 1986-03-14.
Henry Speldewinde de Boer died in 1957.
Piet de Boer died on 1984-02-08.
Sjoukje Bokma de Boer died in 1939.
Chiel de Boer died on July 23, 1978, in Aerdenhout, Noord-Holland, Netherlands.