Wikia

Isaac
Biographical information
Physical information
Species	Human
Gender	Male
Family information
Family members	Abraham (father) ;

"Is this all real? Or has this been happening inside my head?"

The subject of this article is a real-life person, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.

"And this being admitted, the Command of God concerning the ſlaying of Iſaac, was very well conſiſtent with his former promiſe, That in Iſaac his ſeed ſhould be called."

—Book in the Restricted Section.^[src]

Isaac (or Iſaac) is a biblical figure, and was the son of Abraham.

Isaac was mentioned in a book kept in the Restricted Section of the Hogwarts Library by the 1990s.^[1]