Answer
Prithvi Narayan Shah had two brothers, Dalmardan Shah and Bahadur Shah. Dalmardan Shah was the eldest and the heir to the throne, but he died in 1743, leaving Prithvi Narayan Shah as the new heir. Bahadur Shah was the youngest and served as a general in Prithvi Narayan Shah's army. He played a significant role in the unification of Nepal.