Family: Mikkel Hagbart Olsen GJERSEE / Karen Kristine WARHEIM (F1181)
 | Hans Marinius OLSEN (1847-1920) 
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 | Petra Christiane Andrea ABRAHAMSEN (1855- )
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| Peder Olsen GJERSEE (1887-1937) |
| Ingrid Margrete OLSEN (1896-1977)  |
| Johanne (1850- ) |
| Gullik WARHEIM (1887- ) |
| Mikkel Hagbart Olsen GJERSEE (1889-1967)
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| Karen Kristine WARHEIM (1890-1983)
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 | Edith Margaret GJERSEE (1915-2012) |
| Harold M. GJERSEE (1916-1999) |
 | Edwin Frederick GJERSEE (1921-2009) |
 | Richard GJERSEE (1927- ) |
| David GJERSEE (1927- ) |