[1] In the 19th century it came into the ownership of the Renton family who were prominent in the village of Guilsborough.
[2] In 1933, Captain Robert Treeck, a Baron and German agent, reporting directly to Hitler, had moved to England together with his Chilean mistress (later wife in 1938), Baroness Violetta Schroeders.
He leased two properties: Luckington Manor in Wiltshire, and Guilsborough House, his main residence, where he entertained lavishly and rode with the Pytchley Hunt.
In September 1939, Treeck vanished, and Guilsborough and its contents were placed under the control of the Custodian of Enemy Property.
[6] After the war the house became the home of Major-General Evelyn Fanshawe[7] and it is now the property of Mr & Mrs John McCall who open the gardens to the public on selected days.