1 Samuel 31:4-6 NIV

4 Saul said to his armor-bearer, "Draw your sword and run me through,1 or these uncircumcised2 fellows will come and run me through and abuse me." But his armor-bearer was terrified and would not do it; so Saul took his own sword and fell on it.

References for 1 Samuel 31:4

5 When the armor-bearer saw that Saul was dead, he too fell on his sword and died with him.
6 So Saul and his three sons and his armor-bearer and all his men died3 together that same day.

References for 1 Samuel 31:6