made our yoke grievous. Made by Jeroboam himself owing to the opportunity afforded by Solomon's action (1 Kings 11:28).
Related Commentaries of 1 Kings 12:4
1 Kings 12:4
4 Thy father made our yoke grievous: now therefore make thou the grievous service of thy father, and his heavy yoke which he put upon us, lighter, and we will serve thee.