<elementRule role="name"> <ref label="givenName"/> </elementRule>
<elementRule role="name">
<sequence>
<ref label="givenName"/>
<ref label="familyName"/>
</sequence>
</elementRule>
<elementRule role="name">
<choice occurs="+">
<ref label="givenName"/>
<ref label="familyName"/>
</choice>
</elementRule>