At the age of 19, she accompanied her brother Arundel Roberts, Jr., an East India Company agent, to Calcutta.

In 1806, she married Marmaduke Browne, an East India Company military officer stationed at Fort William.

[1] In Calcutta, she painted at least a hundred portrait miniatures of British people, usually giving them as gifts or in trade.

She studied under the painter George Chinnery and they carried on an extensive correspondence about art techniques and theories.

Plagued with poor health, she remained in Samford Arundel while he returned to India.