Zhang Hua
Zhang Hongjing was born in 760, during the reign of Emperor Suzong. His family traced its ancestry to the Jin Dynasty official Zhang Hua. His grandfather Zhang Jiazhen had served as a chancellor during the reign of Emperor Suzong's father Emperor Xuanzong, and at the time of Zhang Hongjing's birth, Zhang Hongjing's father Zhang Yanshang was already serving in the imperial government. Zhang Hongjing himself was said to be elegant, lenient, faithful, and honest in his youth.