ASK WHERE { <http://dbpedia.org/resource/Miss_Potential> <http://dbpedia.org/ontology/grandsire> <http://dbpedia.org/resource/Bluebird> }
Is Bluebird the grandsire of Miss Potential?
ASK WHERE { resource:Miss_Potential property:grandsire resource:Bluebird }
Yes
[Yes], Bluebird is the grandsire of Miss Potential.
[Yes] Bluebird is Miss Potential's grandfather.