Hello Sharon.
Peter Hanberger was my wifes uncle also, Peter was the youngest of 7 children my wifes mother being the eldest. We have a photo of peters headstone, which as you proberly know is in AMERSFOORT GENERAL CEMETERY. They were obtained through the Commonwealth War Graves Commision in 1985. We live in Cambridgshire and are both aged 76
My e-mail is douglas.brooker@yahoo.co.uk
01353 665463
Doug Brooker