{
    package Template::Declare::TagSet::Family;
    use base 'Template::Declare::TagSet';

    sub get_tag_list {
        return [qw(family father mother children girl boy)]
    }
}

{
    package Family::Templates;
    use base 'Template::Declare';
    use Template::Declare::Tags 'Family';

    template Kawasaki => sub {
        family {
            attr { name => 'Kawasaki' }
            father { 'Yasushisa' }
            mother { 'Chizuko' }
            children {
                girl { 'Shiori' }
                boy { 'Yasuka' }
                boy { 'Kairi' }
            }
        }
    };
}

use Template::Declare;
Template::Declare->init(roots => ['Family::Templates']);
print Template::Declare->show('Kawasaki');