Relonzo built 11/05/1914 Cook Welton & Gemmel for G F Sleight
04/1915 Requisitioned as an Anti-Submarine vessel with Hydrophonic Listening Equipment
1920 Returned to owners
17/11/1933 sold to Sleight & Humphrey Grimsby
1939 Requisitioned as a Minesweeper
20/01/1941 She was sunk by mine in the River Mersey in Crosby Channel off C10 Red Buoy
She was serving with the 136th Minesweeper Group based at Birkenhead
| Surname | Forenames | Age at Death | Date of Death | Rank | Boat |
| SLATER | ALBERT EDWARD | 43 | 20/01/1941 | Skipper | Relonzo |
Her Details are
- Official Number 136988
- Yard Number 298
- Admiralty Number FY 1614 FY 843
- Armament 1-12pdr
- 245 GT 107 NT
- Dimensions 120.5 x 22 x 12.3
- Quarter Deck 67′
- Engines by C D Holmes 80 NHP 10.5 Knots
20/01/1941 Sunk by mine Crosby Channel Liverpool whilst in Admiralty service