Number 3:4 And Nadab and Abihu died before the LORD, when they offered strange fire before the LORD, in the wilderness of Sinai, and they had no children : and Eleazar and Ithamar ministered in the priest's office in the sight of Aaron their father.
II Samuel 6:23 Therefore Michal the daughter of Saul had no child unto the day of her death.
I Chronicles 24:2 But Nadab and Abihu died before their father, and had no children : therefore Eleazar and Ithamar executed the priest's office.