Cusa Family Father & Son WW1 and WW2 Medal Group

A first world war and second world war family group to father and son. 

Group One: 
40226 Private Willis Ernest Cusa, York & Lancaster Regiment & 45th Bn West Riding Home Guard (Father) 

British War Medal named to 40226 Pte. W.E. Cusa. Y. & L. R. 
WW1 Victory Medal named to 40226 Pte. W.E. Cusa. Y. & L. R. 
WW2 Defence Medal unnamed as issued 

Also comes with a boxed WW2 Home Guard medallion engraved to Sergt. W.E. Cusa. On the obverse it is engraved: 
1944
B. Company
No7 Platoon
45th Battalion
West Riding
Home Guard

Group Two: 
P/JX 217437 Ordinary Seaman Arthur Willis Cusa, French Ship Branlebas, Royal Navy (Son) 

1939-45 Star unnamed as issued 
Atlantic Star unnamed as issued 
1939-45 War Medal unnamed as issued 

Died – 14th December 1940 (Portsmouth Naval Memorial) 

The medals come in original box of issue with condolence slip as well as three silver plated C.I.C.C. (? cycling) trophies awarded to A. Cusa in 1939. 

Arthur Cusa served on French ship Branlebas which was part of the Free French Navy under General de Gaulle. It was manned by a mixed French and British crew. She was a Motor Torpedo boat acting as an escort to a convoy when she was sunk due to bad weather. All of the crew barring three sailors were lost (approximately 90 men).

Comes with some copy research.