Anna Petre

Anna Maria Barbara Petre, Lady Petre born Anna Maria Barbara Radcliffe (1716–1760) was a Roman Catholic noblewoman. She was of Royal descent and she kept her father's memory alive after he was executed as a Jacobite.

Life Petre was born in 1716. She was descended from Moll Davis and Charles II via their daughter Lady Mary Tudor. She was the only child of Anna Maria (born Webb) and James Radclyffe, 3rd Earl of Derwentwater to survive her childhood. Her Jacobite father had been implicated in the 1715 rising and he had been beheaded in 1716. Her mother had embroidered a sheet with human hair to commemorate her husband and Anna's father.

On 2 May 1732 she married Robert James Petre, 8th Baron Petre. He was known for his interest in botany. He planted 40,000 American trees at their family seat

The couple had four children and she ensured that they respected her executed father. She had a chest made from mahogonay to contain his clothing and the four of them were encouraged to venerate this inheritance. She was a widow with four children, her only son inherited the estate and title and she was his guardian.