Cross reference
Judges 15:20
20 And he was judge of Israel in the days of the Philistines for twenty years.
Judges 13:1
1 And the children of Israel again did evil in the eyes of the Lord; and the Lord gave them into the hands of the Philistines for forty years.
Judges 16:31
31 Then his brothers and his father's people came down and took him up and put his body to rest in the earth between Zorah and Eshtaol in the resting-place of Manoah his father. And he had been judge of Israel for twenty years.
Judges 13:5
5 For you are with child and will give birth to a son; his hair is never to be cut, for the child is to be separate to God from his birth; and he will take up the work of freeing Israel from the hands of the Philistines.
Hebrews 11:32
32 What more am I to say? For there would not be time to give the stories of Gideon, Barak, Samson, and Jephthah, of David and Samuel and the prophets: