Tony Harding extracted the following data from slaveholding records in Jamaica. They are shocking, but in those days this was less the case and much of establishment Britain benefited from similar Caribbean plantation ownership. The great-granddaughter of Isaac the first Lousada Duke observed that Isaac, by then living in England and exposed to anti-slavery sentiment, liberated his slaves before absolutely necessary and was pleased to do so though it meant being ineligible for the compensation he would have received in 1834.