 | 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 - 1918 World War I | 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal 1871 Franco - Prussian War |
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| | |  |  | Pieter Matthijs Penders b.1835 Hoensbroek, Netherlands d.1879 Hoensbroek, Netherlands |  | ||
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| | | Mathijs Willem Penders b.1872 Hoensbroek, Netherlands d.1933 Hoensbroek, Netherlands | | Johanna Maria Knoren b.1843 Voerendaal, Netherlands d.1912 Hoensbroek, Netherlands | | ||
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 | Franciscus Willem Penders b. Living d. |  | Wijnand Peter Penders b.1918 Hoensbroek, Netherlands d.1976 Hoensbroek, Netherlands | | | Jan Andries Peters b.1848 Hoensbroek, Netherlands d.1900 Hoensbroek, Netherlands | | |
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| Jeannette Maria Hubertina Penders b.1940 Hoensbroek, Netherlands d.2018 Calgary, Alberta, Canada |  |  | Joanna Maria Peters b.1876 Hoensbroek, Netherlands d.1957 Hoensbroek, Netherlands | | Helena Penders b.1850 Hoensbroek, Netherlands d.1914 Hoensbroek, Netherlands | | |
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| Jan Martin Penders b.1941 Hoensbroek, Netherlands d.2020 Heerlen, Netherlands | | | | | Frederik Willem Pieter Slootmans b.1858 Steenbergen, Netherlands d.1915 Oud-Gastel, Netherlands | | |
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| Jozef Michiel Penders b. Living d. | | | Franciscus Bernardus Slootmans b.1890 Oud en Nieu, Netherlands d.1963 Brunssum, Netherlands | | Helena Dekkers b.1854 Oud en Nieu, Netherlands d. Oud-Gastel, Netherlands | | |
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| Yvonne Maria Penders b.1944 Hoensbroek, Netherlands d.2020 Sittard, Netherlands |  | Frederica Slootmans b.1919 Heerlen, Netherlands d.2003 Kerkrade, Netherlands | | | Hendrik Koks b.1859 Etten-Leur, Netherlands d.1941 Ginneken-B, Netherlands | | |
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| Helena Maria Penders b.1945 d.2012 Hoensbroek, Netherlands | | | Maria Anna Koks b.1889 Tilburg, Netherlands d.1934 Hoensbroek, Netherlands | | Helena Knappers b. Roosendaal, Netherlands d. | | |
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| Frederic Franciscus Penders b. Living d. |  |  | |||||