Voldemort’s father, a wealthy Muggle. The sparse information Dumbledore gathers about him testifies to a selfish and unsympathetic character: in Ogden’s memory he drives by the Gaunt’s filthy cottage and laughs at the squalor in which the family lives, and later on he abandons Merope and their unborn child. Eventually, he falls victim to his son, who murders him and his parents in their home.
Tom Riddle, Sr. Character Timeline in Harry Potter and the Half-Blood Prince
The timeline below shows where the character Tom Riddle, Sr. appears in Harry Potter and the Half-Blood Prince. The colored dots and icons indicate which themes are associated with that appearance.
Chapter Ten: The House of Gaunt
...and the son says viciously that Merope is always “hanging out the window” waiting for Tom Riddle Sr. to pass by. Furious that his daughter is “hankering after a filthy, dirt-veined Muggle,” Mr.... (full context)
...On his way down the lane, he crashes into the carriage and its handsome driver Tom Riddle Sr. , who laughs heartily at Ogden’s panic. Dumbledore tugs on Harry’s arm, pulling him out... (full context)
Chapter Seventeen: A Sluggish Memory
Meanwhile, Voldemort travels to the village of Little Hangleton and kills his Tom Riddle Sr. and his grandparents. While the Muggle authorities are confounded by the crime, the Ministry blames... (full context)