He is the second strongest of all the gods, partly due to the identity of his mother, the giantess Gridr.  
This deity lent his name to the home of Thorstein in the Heimskringla, the first land visited on Astrid's flight with her son.  He is the second strongest of all the gods, partly due to the identity of his mother, the giantess Gridr.  His name means "the wide-ruling one," referring to his destined position alongside his half-brother Vali as the ruler of the new cosmos after Ragnarok.  FTP, identify this Norse deity who kills Fenris Wolf as revenge for the murder of his father, Odin - a god who resides in a hall called Vidi.
This deity lent his name to the home of Thorstein in the Heimskringla, the first land visited on Astrid's flight with her son.  
Vidar or Vidur or Vithar or Vithur