Basic Details Surname Grassby Forenames John Edward Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) E.R.Y. Yeomanry Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) East Riding of Yorkshire Yeomanry Death and Burial details Year of death 1917 Month of death May Day of death 15 Age at death 21