prosopography
Noun
Meaning
prosopography (countable and uncountable, plural prosopographies)
a study of the individuals in a group of people within a specific context and their relationships
Examples
A prosopography that includes Gregory's ten cardinals and their familiae or official households, both clerical and lay.
Note, however, that this prosopography is not universally accepted by other scholars, who argue that Hadrian's mother was known, according to Historia Augusta, as Domitia Paulina.