<!ENTITY % person SYSTEM "person.dtd">
%person;

<!ELEMENT FAMILY (REFERENCE*, HUSBAND?, WIFE?, CHILD*,
                  MARRIAGE*, DIVORCE*, NOTE*)>
<!ATTLIST FAMILY ID ID #REQUIRED>

<!ELEMENT  HUSBAND  EMPTY>
<!ATTLIST  HUSBAND  %personref;>
<!ELEMENT  WIFE     EMPTY>
<!ATTLIST  WIFE     %personref;>
<!ELEMENT  CHILD    EMPTY>
<!ATTLIST  CHILD    %personref;>
<!ELEMENT  DIVORCE  %event;>
<!ELEMENT  MARRIAGE %event;>
