Lance Corporal Frederick Mynheer was reported missing 20 June 1944 presumed killed in action Normandy, France. He has no known grave. 

Son of William Harold and Esther Mynheer, of Gillingham, Kent.

In 1942 Frederick, a serving High Wycombe Borough Police Officer, volunteered for the Commandos as part of the Police Intakes. He is commemorated on the Buckinghamshire Constabulary section of the Thames Valley Police War Memorial, Kidlington, as well as the Bayeux Memorial, France.
Extract from the Thanet Advertiser - 22 August 1944.
"After attending Christ Church School L/Cpl. Mynheer went on to St George's Central School to complete his education. He was employed for some time by Messrs. Munday of High Street, and later in the office of his uncle, Mr Daniel A. Mynheer, builder of Cornhill. In 1937 he joined the High Wycombe Police, and later volunteered for the Commandos. L/Cpl. Mynheer has two brothers in the Forces. Gerald. the younger, is serving as a gunner with the 8th Army in Italy, and Harold, the elder brother, is a sergeant instructor with the Royal Engineers in the North of England."