望族

distinguished or prominent family / influential clan (old)

full moon / to hope / to expect / to visit / to gaze (into the distance) / to look towards / towards

15th day of month (lunar calendar) / old variant of 望[wang4]

race / nationality / ethnicity / clan / by extension, social group (e.g. office workers 上班族)

offspring a famous family (idiom); good breeding / blue blood