Generationqualifier; Givenname - Netscape DIRECTORY SERVER 6.2 - SCHEMA Reference

or:
fax: +1 415 555 1212
This attribute is defined in RFC 2256.
Syntax
TelephoneNumber, multi-valued.
OID
2.5.4.23

generationQualifier

Definition
Contains the generation Qualifier part of the name, typically appearing in the
suffix.
For example:
generationqualifier:III
This attribute is defined in RFC 2256.
Syntax
DirectoryString, multi-valued.
OID
2.5.4.44

givenName

Definition
Identifies the entry's given name, usually a person's first name.
For example:
givenName: Hecuba
This attribute is defined in RFC 2256.
Syntax
DirectoryString, multi-valued.
Chapter 3 Attribute Reference 103