This is my guess at it.
I think it is Capella Ballon.
My reasoning behind it.
Cappella is Latin for Chapel and the Ballon family were headed by Hamelin de Ballon 1st Baron Abergavenny having been given the land by William Rufus
Anyone agree or shall I get my coat
I was barking up the wrong tree.
I bow to the superior
eyesight knowledge of Bookbox -see reply below.
I can now see it as Bettous
i'll get my coat.
