Born Augusta Waddington, she inherited the large Llanover estate in Monmouthshire, and married Benjamin Hall, after whom ‘Big Ben’ in London is named.
Ganed hi’n Augusta Waddington, etifeddodd ystâd fawr Llanofer yn Sir Fynwy, a phriododd Benjamin Hall, y mae 'Big Ben' yn Llundain wedi’i enwi ar ei ôl.