be255faf_ementer_s_Guide_1_0___draft_36__Member
[Type] string [Description] Surname(s) or last name(s) of the End-User. Note that in some cultures, people can have multiple family names or no family name; all can be present, with the names being separated by space characters. [Member] 
family_name
Draft: OpenID Connect Basic Client Implementer's Guide 1.0 - draft 36
Member