Margreta Johanne Jenny Davidsen, b: 1916

^{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}








^M Davidsen^{b. d.}			^{Augustinus Davidsen}^{b.1839 Kvív, Streymoyar Sýsla d.1913}

		^{Mikkjal Pavlle Davidsen}^{b.1879 Kvivik, Færoe Islands d.1963}	^{Birgitte Hansdatter}^{b.1841 Leinum, Faroe islands d.1926}

	^{Margreta Johanne Jenny Davidsen}^{b.1916 Kvivik, Færoe Islands d.}		^{Andreas Dam Andreasen}^{b.1852 Kollafjørð, Faroe Islands d.1901 Fórst við Garðsbátinum}

		^{Andrea Dam Andreasen}^{b.1882 Eiði, Faroe Islands d.1936 Kvivik, Faroe Islands}	^{Anna Margrethe Johansen}^{b.1859 Eiði, Faroe Islands d.}