Harry Potter's grandparents were only briefly mentioned in the books. Sirius Black moves in with James (book 5) and is treated like a "second son''. Lily's mom and dad along with sister Petunia accompany Lily to the Hogwarts Express on Lily's first day at the school (book 7). It is believed Harry's mum's parents died in a car crash and Harry's father's parents were killed in their farm (Potter 's Farm) by death eaters. However nothing has been confirmed and jk will reveal all in her encyclopedia! cAnt wAit!! exXXx
Their first names are never mentioned and we assume, considering they weren't at Bill's wedding, that they are deceased. Arthur's parents are Mr and Mrs Weasley while Molly's are Mr and Mrs Prewett.
We don't know anything about Harry Potter's grandparents except that both were dead before 1981. (All four, you mean.)
The reader doesn't know.
Harry Potter was a wizard
There is no such person.
No
not in the film, no
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Harry Potter Places
no
Harry's mission is to defeat Lord Voldermort.
In Scotland
Hedwig
tomorrow
A doodle