Judges 8:31 in the World English Bible
His concubine who was in Shechem also bore him a son, and he named him Abimelech.
Context
30 And Gideon had threescore and ten sons of his body begotten: for he had many wives.
31 And his concubine that was in Shechem, she also bare him a son, whose name he called Abimelech.
32 And Gideon the son of Joash died in a good old age, and was buried in the sepulchre of Joash his father, in Ophrah of the Abi-ezrites.