Born: 2nd November 1914, Great Blakenham, Suffolk.

Died: 11th August 1943; age: 28; MPK.

Residence: 4, Childer Road, Stowmarket, Suffolk.

Occupation: a Constructional Engineer.


Rank: Engine Room Artificer Class 4; Service Number: C/SMX.19.

Regiment: Royal Navy, H.M. Submarine ‘Parthian’


Memorial Reference:


Chatham Naval Memorial,




Relatives Notified & Address: Son of William & Ellen Sophia Jacob, of Stowmarket, Suffolk.


Father: William Jacob, born 1874, Uxbridge, Middlesex. A Grocer.

Ellen Sophia Jacob (nee Salmon), born 1875, Elmswell, Suffolk.

Family home – 4, Childer Road, Stowmarket, Suffolk.



Lionel was a Constructional Engineer. He was lodging at ‘The Victory’ P.H., Maidstone, Kent. Publican – George Edward R. Hadler & Violet May Hadler. Also lodging – Cyril F. Cripps, a Field Manager – Constructional Engineer, born April 1896.


Probate to Ellen Sophia Jacob.

H.M. Submarine ‘Parthian’

11th August 1943.

The Parthian-class submarine, or P class, was a class of six submarines built at Chatham Dockyard for the Royal Navy, laid down 30th June 1928 and launched 22nd June 1929. They were designed as long-range patrol submarines for the Far East. The submarine was adopted during Warships Week, by the town of Boston, Lincolnshire in November 1941.

During the Sicilian campaign, H.M.S. ‘Parthian’ (nickname Peanut), in command – Lieut. Cyril Astell Pardoe, R.N.R. was due at Beirut on the 11th August, but failed to arrive from the patrol. It is thought that the submarine was sunk by a naval mine near Brindisi, Southern Italy.

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