Count Eugen Reventlow (1798-1885) and Count Theodor Reventlow (1801-1873) were the children of Danish diplomat and noble Cay Friedrich Reventlow. Eugen was appointed Secretary to the Danish Legation in St. Petersburg in 1823. He remained there until his brother Theodor assumed the position in 1828. As Eleanor Middleton succumbed to illness in 1827, her diary entries likely refer to the elder Reventlow. The portrait in the Album however may be of either brother.
The bust-length portrait presents Count Reventlow facing partly left, eyes looking forward, against a background of grey clouds. The young man wears a blue-black coat with gold buttons, a beige waistcoat, and a white shirt with a black cravat.
Kærsgaard blev købt i 1873 af Frederik Ludvig Vilhelm Ahlefeldt-Laurvig og overgik ved dennes død i 1909 til sønnerne. Julius Ahlefeldt-Laurvig ejede Kærsgaard fra 1909-1913 i sammen med brødrene og som eneejer fra 1913-1931, hvor han som følge af landbrugskrisen måtte afhænde gården. Blev boende på avlsgården frem til 1934.
Sarkofag i Sønderby Kirke over Ida Clarelia Reventlow og oberst Joachim Diedrich von Dewitz til Løjtmark (1669-1723).
Ifølge Adelsårbogen er hun dog begravet i Kiel.
