David in Fausset's Bible Dictionary

("beloved".) His outer life is narrated in the histories of Samuel, Kings, and Chronicles; his inner life is unfolded by himself in the Psalms. The verbal coincidences in Psalms and the allusions incidentally to facts which the histories detail are evidently undesigned, and therefore confirm the genuineness of both. The youngest of the eight sons of Jesse of Bethlehem (1 Samuel 16:11); great grandson of Ruth and Boaz, "a mighty man of wealth" (Rth 2:1; Rth 4:21;Rth 4:22). Born, according to the common chronology, 1085 B.C. Began to reign when 30 years of age. but over Judah alone, 1055 B.C. (2 Samuel 5:4; 1 Kings 2:11; 1 Chronicles 29:27); over all Israel, seven years and six months later, 1048 B.C. He died in 1015 B.C., 70 years old. In early life he tended Jesse's flocks, thereby being trained for his subsequent career, for he had ample scope for quiet and prayerful meditations such as Moses had in his 40 years retirement in Midian before his call to public life, and as Paul had in the Arabian sojourn (Galatians 1:17) before his worldwide ministry...