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Familie: Peter Vilhelm Petersen / Margrethe Kristine Willer (F13957)
Marcus Willer (1826- ) 
|
Caroline Louise Meinercke (1831- ) |
| Peter Vilhelm Petersen (1859-1932) |
| Margrethe Kristine Willer (1859- )
|
Otto Willer Petersen (1885-1951)  |
| Marie Willer Petersen (1887- ) |
| Poul Willer Petersen (1888- ) |
| Louise Willer Petersen (1892-1985) |