Jerubbaal the son of Joash went and lived in his own house.
Gideon certainly required a lot of wealth in order to take care of such an immense family, "many wives and 70 sons," to say nothing of his relation to that concubine in Shechem who became the mother of Abimelech.  The next chapter reveals that there was a special reason for mentioning Abimelech and his mother, suggesting that there were also many concubines.