<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:complexType name="personName">
<xs:sequence>
<xs:element name="title" minOccurs="0"/>
<xs:element name="forename" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="surname"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="simpleName">
<xs:complexContent>
<xs:restriction base="personName">
<xs:sequence>
<xs:element name="forename" minOccurs="1" maxOccurs="1"/>
<xs:element name="surname"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:element name="who" type="simpleName"/>
</xs:schema>