So Saul died. Here, the event. In 1 Chronicles 10:13, the reason. See the Structure above.
his three sons. three of his sons.
all. Figure of speech Synecdoche (of the Whole), App-6, put for greater part. See 2 Samuel 2:8; 2 Samuel 21:8.
house. Put by Figure of speech Metonymy (of Subject), for family or household.