Helen Iola Dunn, b: Private -

^{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}




^{Joan Helen Hogen}^{b. Private d.}	^{Joseph Hogen}^{b. Private d.}

^{Hilery Marie Hogen}^{b. Private d.}

^{Linda Louise Hogen}^{b. Private d.}			^{William Arthur Dunn}^{b.1835 Ireland d.1903 Bear Creek, WI}

^{Dennis Dean Hogen}^{b. Private d.}		^Henry Dunn^{b.1886 Bear Creek, WI d.1946 St. Paul, MN}	^{Mary Geneva Hatcher}^{b.1845 Cleveland, OH d.1926 Mpls., MN}

	^{Helen Iola Dunn}^{b. Private d.}

		^Helen Olson^{b.1895 Thief River Falls, MN d.1945 St. Paul, MN}