Marriage certificate of John Simpson and Margaret Arnot (1859) and Baptism Certificates of their daughters Amy Gertrude Roupell (1860) and Mary Nora Arnot (1862)
Commissions of John Simpson as Ensign (1847) and Lieutenant (1852) in the East India Company's service and as Ensign (1848) and Lieutenant (1853) in Her Majesty's Forces and as Captain (1863) in the Madras staff corps