He prefers other men's sisters.

Do not fear, Hymbercourt; the time has come to meet Louis' craft with craft." "And Your Grace's unhappy daughter is to be the shuttlecock, my lord ?" suggested Hymbercourt.
"She will serve her purpose in the weal of Burgundy, as I do.

I give my life to Burgundy.

Why should not this daughter of mine give a few tears?
But her tears are unreasonable.

Why should she object to this marriage?
Even though God should hereafter give me a son, who should cut the princess out of Burgundy, will she not be queen of France?
What more would the perverse girl have?
By God, Hymbercourt, it makes my blood boil to hear you, a man of sound reason, talk like a fool.