Judges 8:31 KJV

And his concubine that was in Shechem, she also bare him a son, whose name he called Abimelech.
Judges 8:31, King James Version

In 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.