The 4th Earl's son and only heir died aged 4.

Young Harry became the heir apparent of the family's business empire when a brother died.

He left no heirs and the barony died with him.

But when the estate was nearly settled, another heir died, leaving no will.

Those assets are protected from estate taxes when the primary heir dies.

By 1580, when his heir died aged six, he was separated from his wife.

William became heir apparent at the age of 62 when his older brother died.

His son, and potential heir, died childless in 1842.

The site where the last heir to the Bonaparte dynasty died is also nearby.

He became the heir presumptive because all three elder brothers died young.