1 Chronicles 11:42

Adina the son of Shiza the Reubenite, a captain of the Reubenites, and thirty with him,

Adina the son of Shiza was a Reubenite, a captain of the Reubenites, and thirty men were with him. His naming stands within the fuller, parallel account of the tribes assembling at Hebron and recognizing David as king over all Israel, belonging to the events surrounding David's becoming king over the whole nation. The listing shows part of David's work and the division of his armies, setting forth this captain and his thirty as an example of the men who were truly mighty and of the reason for their might. It is to be compared with the parallel record in Samuel apart from genealogies, and it teaches David's virtues and mistakes together with God's mercy and guidance.