Cassandra Elizabeth Austen (9 January 1773 – 22 March 1845) was an amateur English watercolourist and the elder sister of Jane Austen.Austen was born in 1773 at a rectory in Steventon, Hampshire, to the Rev. George Austen (1731–1805), a rector, and his wife Cassandra, née Leigh (1739–1827). There were eight Austen children; as Cassandra and Jane were the only girls they maintained an especially close relationship throughout their lives. Over one hundred letters addressed to Cassandra from Jane have survived. These letters have helped historians to construct details about the life of Jane Austen. Wikipedia