The tapestry reveals that Harry and Draco share an ancestor, Dorea Black. Dorea was a pure-blooded witch who married Charlus Potter – a direct relation to Harry's grandfather, Fleamont. This means that Charlus is Harry's great-uncle and Dorea is his great-aunt.
The Malfoys are related to the Black family through Narcissa (a first cousin of Sirius Black, Harry's godfather), which makes Draco a nephew of both Bellatrix Lestrange and Andromeda Tonks.
What is the relationship between Draco Malfoy and Harry Potter?
While on the Hogwarts Express for the very first time, Draco Malfoy offered his friendship to Harry Potter, as his father believed that Harry was a Dark wizard, and Draco wished to impress him and relay some interesting news home.
The Potters were related to the Peverell, Fleamont, Black, Evans and Weasley families, and more distantly to the Gaunt, Riddle, Flint, Bulstrode, Riddle family, Crabbe, Dursley, Prewett, Delacour, Johnson, Granger and Granger-Weasley families.
The female line of the House of Black, however, continues through Harry's children, James Sirius Potter, Albus Severus Potter and Lily Luna Potter, whose maternal great-grandmother is Cedrella Weasley née Black, also making Harry related to the House of Black via marriage.
As pointed out, Sirius Black was actually Draco's first cousin once removed - not his uncle. That being said, according to J.K. Rowling, yes, Harry Potter and Draco Malfoy are related - albeit distantly - by marriage, if not by blood.
The pure-blood wizards and witches featured in the Harry Potter books are almost all supremacists, while there are some of them who do not advocate ancestral superiority; the Potters, Weasleys, and Longbottoms are old pure-blood families, but no known members of these families are sympathetic to supremacist aims.
In the epilogue to Harry Potter and the Deathly Hallows, which is set 19 years later, it's revealed that Harry married Ginny Weasley, Ron's sister, and they have three children.
Harry and Sirius, his godfather, would have been second cousins. Also, Harry's best friend/brother-in-law, Ron and wife, Ginny Weasley would be his third cousins.
Harry Potter had a few love interests during his time at Hogwarts. Though he eventually settled down with Ginny Weasley, he also had a thing for Cho Chang in his earlier school years. Then, of course, there's his secret love for Draco Malfoy…
Cedrella and Septimus went on to have three children together, one of whom was Arthur Weasley – Ron's father. This means that Draco and Ron are distantly related, making Draco's bigoted pure-blooded ideology even more ironic.
In the books, Pansy Parkinson has a schoolgirl crush on Draco, and they went together to the Yule Ball. However, there was no true love between them. In the Cursed Child, Draco Malfoy's wife is Astoria Greengrass.
He's not. In Cursed Child, the rumor that Draco was not Scorpius's real father, but rather Astoria (Draco's wife and Scor's mom) went back in time with a timeturner to have a child with Voldemort, went around to almost every wizard. Some didn't believe it (Eg: Albus Severus Potter) but some were still skeptical.
While it may seem as though Draco simply has an outright hatred for Harry from the start, it goes deeper than that. He is, above all, jealous of Harry and a coward. Draco was brought up believing that he and his family are the best that the wizarding world has to offer.
The family had been prominent in the British wizarding world community for centuries, building wealth and renown through their influence within the Ministry of Magic. However, long before the Ministry was established, the Malfoys gained property and wealth through the Muggle royals.
So why did Harry choose Ginny over Hermione? Because Harry and Hermione were never a thing. And because Harry developed feelings for Ginny. He didn't “choose Ginny over Hermione,” because he was never interested in Hermione.
Hermione was not interested in him romantically. She loved Ron. However, here is another reason why I think Rowling wanted Harry with Ginny: The Weasleys were the only family Harry had. Sirius was his godfather, but he was not a stable figure as he was on the run and had to prove his innocence.
Their first kiss happens on the front steps of Malfoy Manor. Harry brings Draco his wand after speaking at his trial, “This is yours; thank you.” And this time, Draco won't let him walk away. Harry turns to leave and Draco grabs his arm, turns him back and kisses him.
Luna married fellow naturalist Rolf Scamander, grandson of Fantastic Beasts and Where to Find Them author Newt Scamander, considerably later in life than Harry, Ron, Hermione, and Ginny, who all married and started families in their early-to-mid twenties.
The Malfoy family comes from a long line of rich witches and wizards within Harry Potter, and Lucius Malfoy has copious amounts of money at his disposal. He resides in a gigantic mansion with his family, named Malfoy Manor, and owns some of Harry Potter's most powerful objects, including a golden Time-Turner.
An interesting fact of note is that despite the ideals that pure-bloods are inherently more powerful wizards, some of the most powerful or particularly adept wizards and witches in the series are in fact either half-blood (such as Lord Voldemort, Albus Dumbledore, Minerva McGonagall, Severus Snape and Harry Potter) or ...
Coincidentally, Harry Potter, Hermione Granger, and Ron Weasley are each of the three distinct types of wizards; Harry being a half-blood, Hermione being a Muggle-born, and Ron being a pure-blood.
