Basic Simple Family with Visits

<Household uuid="...">
    <Organization uuid="..."/>
    <HouseholdMembers>
        <Person uuid="123" primary="true">
            <Organization uuid="..."/>
            <FirstName>Bob</FirstName>
            <LastName>Smith</LastName>
            <DateOfBirth>1978-11-19</DateOfBirth>
            <Gender>male</Gender>
            <Relationships>
                <Relationship type="child" person="456"/>
                <Relationship type="child" person="789"/>
            </Relationships>
        </Person>
        <Person uuid="456" primary="false">
            <Organization uuid="..."/>
            <FirstName>Sally</FirstName>
            <LastName>Smith</LastName>
            <DateOfBirth>2005-08-02</DateOfBirth>
            <Gender>female</Gender>
            <Relationships>
                <Relationship type="sibling" person="789"/>
            </Relationships>
        </Person>
        <Person uuid="789" primary="false">
            <Organization uuid="..."/>
            <FirstName>Sue</FirstName>
            <LastName>Smith</LastName>
            <DateOfBirth>2007-03-22</DateOfBirth>
            <Gender>female</Gender>
        </Person>
    </HouseholdMembers>
    <Activities>
        <Activity type="visit">
            <Organization uuid="..."/>
            <VisitDate>2015-07-14</VisitDate>
            <Participants>
                <Participant uuid="123" primary="true"/>
            </Participants>
        </Activity>
        <Activity type="visit">
            <Organization uuid="..."/>
            <VisitDate>2015-05-14</VisitDate>
            <Participants>
                <Participant uuid="123" primary="true"/>
                <Participant uuid="789" primary="false"/>
            </Participants>
        </Activity>
        <Activity type="visit">
            <Organization uuid="..."/>
            <VisitDate>2015-02-14</VisitDate>
            <Participants>
                <Participant uuid="123" primary="true"/>
                <Participant uuid="456" primary="false"/>
                <Participant uuid="789" primary="false"/>
            </Participants>
        </Activity>
    </Activities>
</Household>