Sonya Khan

Sonya Khan was Yasmin Khan's sister. She was unemployed, (TV: Arachnids in the UK) and wanted her sister to move out of their house, so she could have her room. (TV: The Ghost Monument) The two siblings did not get along. (TV: Arachnids in the UK)

Whilst on a boat on a lake on Desolation with the Thirteenth Doctor, Ryan Sinclair, Graham O'Brien, Angstrom and Epzo, Yaz felt surprised to miss her sister. (TV: The Ghost Monument)