Reference: Rogge, Agreement, 1880
Agreement between Ida Johanna Hog Rogge (née Girtin) (1834–1925) and her husband August Edward Samuel Rogge (1834–93), and her brother George Wyndham Hog Girtin (1835–1911) regarding the settlement of the property of the late Thomas Calvert Girtin (1801–74), 1 January 1880, Girtin Archive, 24 (T/ 1880–84)