1 Chronicles 25:3

Of Jeduthun: the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Hashabiah, and Mattithiah, six, under the hand of their father Jeduthun, who prophesied with a harp, to give thanks and to praise the LORD.

1 Chronicles 16:41-42

and with them Heman and Jeduthun and the rest that were chosen expressly by name, to give thanks to the LORD, because his mercy is eternal.

1 Chronicles 9:16

and Obadiah, the son of Shemaiah, the son of Galal, the son of Jeduthun; and Berechiah, the son of Asa, the son of Elkanah, who dwelt in the villages of the Netophathites.

1 Chronicles 15:18

and with them their brethren of the second order, Zechariah, Ben, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Elipheleh, Mikneiah, Obededom, and Jeiel, the porters.

1 Chronicles 15:21

And Mattithiah, Elipheleh, Mikneiah, Obededom, Jeiel, and Azaziah, with harps on the Sheminith to excel.

1 Chronicles 25:21

the fourteenth to Mattithiah, he, his sons, and his brethren were twelve;

2 Chronicles 29:14

and of the sons of Heman; Jehiel and Shimei; and of the sons of Jeduthun; Shemaiah and Uzziel.

Psalm 92:1

It is a good thing to give thanks unto the LORD and to sing praises unto thy name, O most High:

Jeremiah 33:11

the voice of joy, and the voice of gladness, the voice of the bridegroom, and the voice of the bride, the voice of those that shall say, Praise the LORD of the hosts; for the LORD is good; for his mercy endures for ever: and of those that shall bring the sacrifice of praise into the house of the LORD. For I will cause the captivity of the land to turn as at the first, said the LORD.

Treasury of Scripture Knowledge

Summary

Of Jeduthun: the sons of Jeduthun; Gedaliah, and Zeri, and Jeshaiah, Hashabiah, and Mattithiah, six, under the hands of their father Jeduthun, who prophesied with a harp, to give thanks and to praise the LORD.

General references

Bible References

Gedaliah

1 Chronicles 25:9
Now the first lot came forth for Asaph to Joseph; the second to Gedaliah, who with his brethren and sons were twelve;

Jeshaiah

1 Chronicles 25:15
the eighth to Jeshaiah, he, his sons, and his brethren were twelve;

Mattithiah

1 Chronicles 25:21
the fourteenth to Mattithiah, he, his sons, and his brethren were twelve;
1 Chronicles 15:18
and with them their brethren of the second order, Zechariah, Ben, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Elipheleh, Mikneiah, Obededom, and Jeiel, the porters.

General references

Numbers 3:20
And the sons of Merari by their families: Mahli and Mushi. These are the families of the Levites according to the houses of their fathers.
Psalm 98:5
Sing praises unto the LORD with the harp, with the harp and the voice of a song.