Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
The killing of a nephew is a nepoticide.
In A Song of Ice and Fire, Tyrion Lannister is accused of committing nepoticide and regicide.
Assuming Albann and Halfdan to be the same person, and assuming Halfdan to be the brother of Ímar, this makes Oistin's death nepoticide.