Rockers were gentlewomen employed at royal courts and aristocratic households as attendants to infants, whose duties included rocking the cradle. In medieval England, a French term "berceresse" or "be
15th-century cradle said to have been a perquisite given to a rocker, Royal Collection.
James VI and I and his son Prince Henry were nursed in the Prince's Tower at Stirling Castle
The tomb of Sophia Stuart (died 1606) at Westminster Abbey was modelled as a cradle with a hood, draped with rich fabric.
Annabell Murray, Countess of Mar, was a Scottish landowner, courtier and royal servant, the keeper of the infant James VI and his son Prince Henry at Stirling Castle.
A crowned letter 'A' at Mar's Wark, Stirling, may stand for "Annabell", or "Areskine" a variant of "Erskine"
James VI by Arnold Bronckhorst, National Gallery of Scotland
Annabell Murray and her son the Earl of Mar were made keepers of Prince Henry at Stirling Castle