The family of Matri - This name occurs nowhere else among the families of Benjamin, or in the genealogy of Saul. (See 1 Samuel 9:1 note.)
Related Commentaries of 1 Samuel 10:21
1 Samuel 10:21
21 When he had caused the tribe of Benjamin to come near by their families, the family of Matri was taken, and Saul the son of Kish was taken: and when they sought him, he could not be found.