The Invisibility Cloak is the third Deathly Hallow that came into being. As the story goes, Death is the one who made it. Ignotus Peverell is the first person who used the cloak. The Cloak of Invisibility has always been one of the best and most exciting parts of Harry Potter, and there's a rich history behind it.
James inherited the Cloak from his father, Fleamont Potter, who inherited it as a descendant of Iolanthe Peverell — a granddaughter of Ignotus Peverell. The Cloak passed down through generations of the family until it reached James and then Harry.
In Deathly Hallows, Rowling writes that the Invisibility Cloak was created by Ignotus Peverell, a 13th-century wizard who eluded death by wearing it. Before his death, he handed it down to his son.
Dumbledore, who had searched for the Deathly Hallows in youth, asked to borrow the Cloak from James to study it. After James was killed, the Cloak was left in Dumbledore's possession.
How did Harry Potter's family get the Invisibility Cloak?
His dad gave it to him. To elaborate on Icecreamdif's answer, he inherited it as a family heirloom dating back to Hardwin Potter, who married Iolanthe Peverell, granddaughter of the Cloak's original owner Ignotus. It was passed down to the eldest male of each new generation of Potters since then.
How James Potter Got the Invisibility Cloak - Harry Potter Explained
Did Snape know Harry was under the Invisibility Cloak?
Dumbledore was doing James a favour by helping him pass down the Invisibility Cloak to his son Harry. Snape definitely knew because in book 4 when Harry sees crouch in Snapes office, he's in his invisibility cloak. As soon as snape sees the golden egg and the map he says 'potters here' to mad eye. Potters here.
It is known that Harry is a descendant of Ignotus Peverell (The brother that received the Invisibility Cloak), and Voldemort is descended from Cadmus Peverell (The brother that received the Resurrection Stone).
In The Lord of the Rings, Frodo, and the other members of the Fellowship of the Ring, were given cloaks by the Elves, and Samwise asked, "Are these magic cloaks?" The cloak given to Frodo camouflaged him so that the enemy could see "nothing more than a boulder where the Hobbits were."
How does Dumbledore know Harry and Ron are under the cloak?
Dumbledore knew Harry and Ron were under the invisibility cloak at Hagrid's hut in Harry Potter and the Chamber of Secrets, as his eyes flickered in their direction.
Alastor Moody apparently owns two Invisibility Cloaks; Sturgis Podmore is wearing one of them when he is arrested in the Ministry, and Arthur Weasley is wearing the other when he is attacked by the snake, in Harry Potter and the Order of the Phoenix.
While in school together, Sirius once tricked Snape into almost entering the Shrieking Shack while Lupin was there, transformed into a werewolf. James realised the danger and stopped Snape, saving his life; this is the incident Dumbledore referred to at the end of the first book.
Why did James give Dumbledore the Invisibility Cloak?
Around the time that Lord Voldemort was hunting the Potters for their son, the Cloak of Invisibility came to the attention of Albus Dumbledore when James showed him the Cloak, and Dumbledore, who had searched for the Deathly Hallows in youth, asked to borrow the Cloak from James to study it.
As Ilovecats13 and DelphianDragon said, James' father Fleamont quadrupled the family's gold by inventing Sleekeazy's Hair Potion (the same that Hermione used before the Yule Ball to tame her mane). The family fortune was passed down to James, their only child, and then onto Harry. Rowling wrote about it on Pottermore.
Malfoy is also convinced (to a certain extent) that it is Harry, but he isn't so sure, so he asks his son - Draco - if he recognises him. Unfortunately, Malfoy isn't sure of it as well, so Lucius has no evidence or confirmation that it is Harry.
Dumbledore's Grave is located in the Scottish Highlands within the atmospheric Loch Eilt. It's called Eilean Na Moine, the place featured as Dumbledore's burial island in the Harry Potter movies.
He only detected Frodo when he put the ring on AND was standing on Amon Hen, the seat of seeing. A mystical place. Sauron was occupied when Bilbo was using the ring pretending to be the Necromancer. The Hobbit was written long before Tolkien decided to link it to LotR.
Why does the Ring make Frodo invisible but not Sauron?
In the spiritual world, beings are invisible to those in the physical world. This is why Isildur, Bilbo, and Frodo become invisible when they wear the Ring—because they are no longer in the physical world. As Olsen said, Sauron does not have a real body, so he is not affected in the same way.
How does Malfoy know Harry has an Invisibility Cloak?
Goyle/Crabbe had their trunk stored in the same rack that Harry occupied, under the cover of the invisibility cloak. When Goyle/Crabbe retrieves that, the trunk strikes Harry's head and he gasps out loud accidentally, which Draco hears.
There are three possibilities for individuals or creatures that may be able to see through Invisibility Cloaks: Dumbledore; Dementors; and Mad-Eye Moody and his magical eye.
Harry's son James Sirius Potter inherited the Cloak of Invisibility. His younger brother Albus Severus stole it from James when he needed to hide from bullies, or from Professor McGonagall.
Harry, as heir of Gryffindor, possessed the love of this Muggle-born woman in his very blood and was the perfect champion to stand up against the heir of Slytherin.
Honestly, Hermione knew Dobby was a lost case... nothing could have revived Dobby after the attack or she would have definitely helped Harry with Dobby considering she was the girl who started S.P.E.W(Society for the Elfish welfare) and fought for elf rights. There was nothing to be done at that point.
Godric Gryffindor is the only founder who is not mentioned to have any descendants, although for a time it was speculated that Harry Potter himself was a descendant of Gryffindor either through James Potter possibly because James hailed from Godric's hometown, or possibly through a line of Muggles descended from a ...
