Madre
| Name | Madre |
| Type | Sailing vessel |
| GRT | 665 tons |
| Country |  Italian |
| Built | 1891 |
| Builder | J. Blumer & Co., Sunderland |
| Operator | A. Drago di E., Genoa |
| History | Steel-hulled bark. Built as Kronprindsesse Louise. |
U-boat attacks on Sailing vessel Madre
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 16 Aug 1916 | U 35 (Lothar von Arnauld de la Perière) | Sunk | Stopped and sunk off Sardinia at 12:00am | 38° 20'N, 11° 10'E |
Position of attack on Madre
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