It is possible, though we cannot be sure. Gideon had acted like a king, so maybe his sons were planning to follow him in his rule of Israel. The principle of dynastic succession that Gideon denied in Judges 8:23 is taken for granted in Abimelech’s speech.
2 “Say in the ears of all the leaders of Shechem, ‘Which is better for you, that all seventy of the sons of Jerubbaal rule over you, or that one rule over you?’ Remember also that I am your bone and your flesh.”