- Maintained by: IWPP Custodial Account
- Originally Created by: International Wargraves Photography Project
- Added: 15 Aug 2006
- Find A Grave Memorial 15380391
Find A Grave, database and images (https://www.findagrave.com : accessed ), memorial page for William Heyn (unknown–unknown), Find A Grave Memorial no. 15380391, citing US Soldiers' and Airmen's Home National Cemetery, Washington, District of Columbia, District Of Columbia, USA ; Maintained by IWPP Custodial Account (contributor 48586138) .