Marios tocp plugin will help you do this. So will bimlas's new kin operator (5.1.8 prerelease)
However you can do it manualy using the get[fieldname] in a list to get the parents tiddlername name and reference its fields.
Do you want more info?
Tony
<$list filter="[all[current]get[parent]]">
</$list><$list filter="[all[current]get[parent]]">
<$list filter="[all[current]get[parent]]">
</$list>
</$list><$list filter="[all[current]get[parent]]">
<$list filter="[all[current]get[parent]]">
<$list filter="[all[current]get[parent]]">
</$list>
</$list>
</$list><$list filter="[all[current]get[parent]]" variable=parent>
<$list filter="[<parent>get[parent]]" variable=grand-parent>
<$list filter="[<grand-parent>get[parent]]" variable=great-grand-parent>
</$list>
</$list>
</$list><$list filter="[all[current]get[parent]]" variable=parent>
<$list filter="[<parent>get[parent]]" variable=grand-parent>
<$list filter="[<grand-parent>get[parent]]" variable=great-grand-parent>
The current Tiddler is <<currentTiddler>>, its parent is <<parent>>, its grand-parent is <<grand-parent>> its great-grand-parent is <<great-grand-parent>><br>
</$list>
</$list>
</$list>