1 Tawarikh 24:6

24:6 The scribe Shemaiah son of Nethanel, a Levite, wrote down their names before the king, the officials, Zadok the priest, Ahimelech son of Abiathar, and the leaders of the priestly and Levite families. One family was drawn by lot from Eleazar, and then the next from Ithamar. ¹ 

1 Tawarikh 24:2

24:2 Nadab and Abihu died before their father did; they had no sons. Eleazar and Ithamar served as priests.

1 Samuel 8:17

8:17 He will demand a tenth of your flocks, and you yourselves will be his servants.

[24:6]  ¹ tn Heb “one house of a father was drawn by lot for Eleazar, and one [this assumes an emendation of אָחֻז (’akhuz) to אֶחָד (’ekhad, “one”)] was drawn by lot for Ithamar.”