No, Teddy Lupin is not a pure-blood.
Teddy Lupin is the son of Remus Lupin, a werewolf, and Nymphadora Tonks, a metamorphmagus. Both of his parents were considered half-bloods, meaning they had at least one magical parent and one non-magical parent. Therefore, Teddy Lupin inherited the half-blood status from his parents.
While Teddy Lupin does have some pure-blood ancestors, such as his grandmother, Andromeda Tonks, the pure-blood status is not passed down through generations. It is determined by the individual's parents.
Here's a breakdown of Teddy Lupin's lineage:
- Father: Remus Lupin - Half-blood (Werewolf)
- Mother: Nymphadora Tonks - Half-blood (Metamorphmagus)
- Grandmother (Mother's Side): Andromeda Tonks - Pure-blood
- Grandfather (Mother's Side): Ted Tonks - Muggle
- Grandfather (Father's Side): Unknown (Possibly a pure-blood or half-blood)
- Grandmother (Father's Side): Unknown (Possibly a pure-blood or half-blood)
Based on his parents' lineage, it's clear that Teddy Lupin is a half-blood and not a pure-blood.