Emperor Zhang of Han relative Empress Ma
As crown prince
Not much was recorded about Crown Prince Da's career as crown prince, other than he was taught of the Confucian classics at a young age and was encouraged in his studies by his adoptive mother, Empress Ma, with whom he had a close relation.  He was also close to his uncles of the Ma clan.
In 75, Emperor Ming died, and Crown Prince Da succeeded to the throne as Emperor Zhang at the age of 18.  Empress Ma received the title of empress dowager.
kin family member kinsman kinswoman relation by marriage