This is a copy of the diploma and my mother added a small clipping from a local newspaper and below a translation of it by my mother.

The translation reads:
BENSON (Christine) Ondine I Ondine II The artist is he a poet in his art like the celebrated father of Ondine? The Reply is affirmative, since it becomes his Ondines well to evolve in the beautifully set up under water landscape, drawn so well.