Sultanah Kalsom is involved in a number charitable activities across Malaysia, including those combating domestic violence and promoting childhood development and female empowerment, and is also the patron of a “Tiger Ball” that raises money for protecting endangered tigers across Asia. The Sultan and Sultanah had one son, Tengku Abdul Fahd Mu’adzam Shah ibni Almarhum Sultan Haji Ahmad Shah Al-Musta’in Billah, and were married until his death in 2019, just months after his abdication, and the accession of her son, Sultan Abdullah, as King of Malaysia. After becoming a widow, Sultanah Kalsom was given the title of Cik Puan Besar (Queen Dowager) of Pahang.
