Selecting families with empty parents

Help
7

I guess the top Custom Filter needs an additional Family Rule for that last ‘2 or more children’ parameter:

  • Family with <count> of child where Number of instances:="1";Number must be:="greater than"

(I know you were aware of that. Just including for future readers of the discussion.)

custom_filters.xml

<?xml version="1.0" encoding="utf-8"?>
<filters>
  <object type="Family">
    <filter name="Both parents missing" function="and" comment="Family container where multiple siblings are known but parents are not.">
      <rule class="MatchesFilter" use_regex="False" use_case="False">
        <arg value="Father missing"/>
      </rule>
      <rule class="MatchesFilter" use_regex="False" use_case="False">
        <arg value="Mother missing"/>
      </rule>
      <rule class="HasNumChild" use_regex="False" use_case="False">
        <arg value="1"/>
        <arg value="greater than"/>
      </rule>
    </filter>
    <filter name="Father missing" function="and" invert="1" comment="(Invert RegEx for any Father ID)">
      <rule class="FatherHasIdOf" use_regex="True" use_case="False">
        <arg value="."/>
      </rule>
    </filter>
    <filter name="Mother missing" function="and" invert="1" comment="(Invert RegEx for any Mother ID)">
      <rule class="MotherHasIdOf" use_regex="True" use_case="False">
        <arg value="."/>
      </rule>
    </filter>
  </object>
</filters>