But their father in his old age fell in love with a woman who tried all means to pave the way for her own son to inherit the dukedom.

• 但是他们的父亲在晚年迷上了另外一个女人，这个女人处心积虑想让自己的儿子当上晋国的国王，于是晋国发生了长时期的内乱。