Johanna Elisabeth van der Heijde, b: 1967

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}










	^{Cornelis van der Heijde}^{b.1927 Den Haag d.}	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}

^{Johanna Elisabeth van der Heijde}^{b.1967 Zwijndrecht d.}

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}










	^{Jan Frederik van der Heijde}^{b.1929 Den Haag d.}	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}

^{Margreeth van der Heijde}^{b.1964 Eindhoven d.}

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}










	^{Jan Frederik van der Heijde}^{b.1929 Den Haag d.}	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}

^{Margreeth van der Heijde}^{b.1964 Eindhoven d.}

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}








^{Rick Pieter Blanksma}^{b.1996 Groningen d.}

		^{Jan van der Heijde}^{b.1923 Den Haag d.1991 Voorburg}	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}

	^{Johanna Geertruida van der Heijde}^{b.1955 Den Haag d.}

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1919 World War I}










	^{Jan Frederik van der Heijde}^{b.1929 Den Haag d.}	^{Johanna Hendrika Scheffer}^{b.1898 Rotterdam d.1989 Den Haag}

^{Joan van der Heijde}^{b.1965 Aruba d.}