att.naming provides attributes common to elements which refer to named persons, places, organizations etc. [3.5.1 Referring Strings 13.3.5 Names and Nyms]
Moduletei — The TEI Infrastructure
Membersatt.personal [addName forename genName name orgName persName placeName roleName surname] affiliation author birth bloc climate collection country death district editor education event geogFeat geogName institution nationality occupation origPlace population pubPlace region repository residence rs settlement socecStatus state terrain trait
Attributesatt.canonical (@key, @ref)
rolemay be used to specify further information about the entity referenced by this name, for example the occupation of a person, or the status of a place.
Status Optional

<rng:ref name="data.enumerated"/>
nymRef(reference to the canonical name) provides a means of locating the canonical form (nym) of the names associated with the object named by the element bearing it.
Status Optional
Datatype 1–∞ occurrences of 

<rng:ref name="data.pointer"/>
separated by whitespace

The value must point directly to one or more XML elements by means of one or more URIs, separated by whitespace. If more than one is supplied, the implication is that the name is associated with several distinct canonical names.