His strong faith, piety, and principles led to some troubles for him during his twenty-five year episcopacy at Chartres. Circa 1092, King Philip I of France was married to Bertha of Holland, but wished to be rid of her so he could marry Bertrade of Anjou. Upholding the sanctity of marriage, relations between Ivo and the king became strained. Local baron Hugh Le Puiset took advantage of the situation to seize episcopal lands and imprison the bishop for a short time.