Marie Østbø, b: 1901 - Hundvåg, Norway

^{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}




^{Henry Olaus Kornelius Nerheim}^{b.1901 d.1987}



		^{Roald Bellestsen}^{b.1826 Østbø, Norway d.1885 Østbø, Norway}

	^{Bellest Roaldsen}^{b.1858 Hundvåg, Norway d.1932}	^{Nikolene Nilsdatter}^{b.1834 Kingestad, Norway d.1924 Hundvåg, Norway}

^{Marie Østbø}^{b.1901 Hundvåg, Norway d.1966 Ølen, Rogaland, Norway}		^{Sivert Johan Helliesen}^{b. d.}

	^{Petra Serine Sivertsdotter Helliesen}^{b.1873 Høynes, Norway d.1943 Hundvåg, Norway}	^{Marie Olsdotter}^{b. d.}