Sir Claudius Forster, 1st Baronet (c. 1575 – c. 1623) was a member of an ancient and influential Northumbrian family. He was descended from a long line of Governors of Bamburgh Castle

Bamburgh Castle

Bamburgh Castle is an imposing castle located on the coast at Bamburgh in Northumberland, England. It is a Grade I listed building.-History:...

, and was granted ownership of Bamburgh Castle and estates by the Crown in 1609.

He was knighted by James I in 1603 and created a Baronet in the Baronetage of England on 7 March 1620.

He was the son of Nicholas Forster ( High Sheriff of Northumberland in 1602) and Jane Radclyffe of Blanchland and inherited the Blanchland Abbey

Blanchland Abbey

Blanchland Abbey at Blanchland, in the English county of Northumberland, was founded as a premonstratensian priory in 1165 by Walter de Bolbec II, and was a daughter house of Croxton abbey in Leicestershire. It became an abbey in the late 13th century...

 estate from his mother.

Forster followed his father as High Sheriff of Northumberland

High Sheriff of Northumberland

This is a list of the High Sheriffs of the English county of Northumberland.The High Sheriff is the oldest secular office under the Crown. Formerly the High Sheriff was the principal law enforcement officer in the county but over the centuries most of the responsibilities associated with the post...

in 1612.

He married Elizabeth Fenwick but they had no children and the estates passed to his brother John