Renee
I found this out about Henry Hoare:
Charles Henry Petre.Charles married Melanie Beatrix Hoare in 1963.

Melanie Beatrix Hoare [Parents] was born on 16 Oct 1937. She married Charles Henry Petre in 1963.

They had the following children:

F i Fenella Delphine Petre was born in 1967.
M ii Robert Henry Petre was born in 1968.

He is buried at Tunworth near Basingstoke but couldn't find out how he died.

Geoff

So he is part of the Hoare family.