Complex sentence: In Norse mythology, Víðarr (often Anglicised Vidar or Widar) is a god associated with vengeance and is the son of Odin and the giantess Gríðr.
Split into simpler sentences: In Norse mythology, Víðarr (often Anglicised Vidar or Widar) is a god associated with vengeance. Víðarr is described as the son of Odin and the giantess Gríðr.