'Grouped' in the Bible
Jahath was the chief and Zizah the second; but Jeush and Beriah had only a small number of sons, so they were grouped together as one family.
These were the sons of Levi, grouped by families, the heads of the families of those who were numbered by name, by heads, all those of twenty years old and over who did the work of the house of the Lord.
Now the divisions into which the sons of Aaron were grouped were these: the sons of Aaron, Nadab and Abihu, Eleazar and Ithamar.
And there were more chiefs among the sons of Eleazar than among the sons of Ithamar; and this is how they were grouped: of the sons of Eleazar there were sixteen, all heads of families; and of the sons of Ithamar, heads of families, there were eight.
And Jehoiada put the work and the care of the house of the Lord into the hands of the priests and the Levites, who had been grouped in divisions by David to make burned offerings to the Lord, as it is recorded in the law of Moses, with joy and song as David had said.
And take your positions in the holy place, grouped in the families of your brothers, the children of the people, and for every division let there be a part of a family of the Levites.
The words of the wise are pointed, and sayings grouped together are like nails fixed with a hammer; they are given by one guide.