This is a photo taken in 1922 showing a 3-year old Raja Musa ibni Raja Abdul Aziz at Istana Telok Anson when his second cousin and her family came visiting. This second cousin seen here with him was said to be Raja Nur Aishah binti Raja Abdul Malek. If any readers care to confirm or refute this piece of information, please leave your comments below.
Raja Abdul Aziz ibni Raja Muda Musa I was then the Raja Muda (1918-1938) whose official residence was at Teluk Anson (now Teluk Intan). Raja Abdul Malek was one of the sons of Sultan Abdullah Muhamad Shah II.
Footnote: Sultan Abdullah Muhammad Shah II and Raja Muda Musa I were brothers, sons of Sultan Jaafar Muazzam Shah (SP23 1857-1865).