59 and 81? Seems May/December. Hang her!
They were married 38 years, according to the Mirrow, indicating she was 21 and he 43 on the wedding.
https://www.mirror.co.uk/news/uk-news/wife-murdered-husband-pouring-bucket-24332549
It was some sort of dispute. My guess is she thought she would inherit more money than was the case.