Louis Johan Petersen
Parents
- Vilhelm Emilius Petersen (1840–1918) (Father)
- Emilie Sophie Truberg (b. 1842) (Mother)
Siblings
- Anna Emilie Johanne Petersen (b. 1864) (Sibling)
- Emil Vilhelm Petersen (b. 1870) (Sibling)
- Louis Johan Vilhelm Sjøstrøm (Petersen) (1872–1940) (Sibling)
- Charles Emilius Petersen (1877–1938) (Sibling)
- Jenny Elisabeth Petersen (1878–1917) (Sibling)
- Ovene Eleonora Petersen Stillingbo (1890–1977) (Sibling)
- Agnes Louise Kalovna Petersen (1866–1899) (Sibling)
- Gerda Petersen (1892–1893) (Sibling)
- Evald Petersen (b. 1887) (Sibling)
- Ernst Edvin Harleff Petersen (1885–1943) (Sibling)
- Aurelia Jelva (Yelva) Petersen (1883–1930) (Sibling)
- Edmund Anton Petersen (b. 1881) (Sibling)
- Marie Augusta Margrethe Petersen (b. 1875) (Sibling)