on predicate given name sorted by label

Subject	Predicate
?:Nikolaos Gazis	?:given name
?:Nikolaos Papakyriazis	?:given name
?:Nikolaos Salavrakos	?:given name
?:Nikolaos Sifounakis	?:given name
?:Nikolaos Vgenopoulos	?:given name
?:Nikólaos Chountís	?:given name