Everything you need to understand or teach Saint-Germain Series by Chelsea Quinn Yarbro.
The inhumanity of man to man (but especially, it seems, to woman) is dominant throughout the series. The way in which the point is made is for the author to describe in gruesome detail the depredations that have been visited upon the helpless and their defenders over all the centuries of what is referred to as civilization. Some reviewers have complained about the extent of the violence here and in other novels, and find the characters that Yarbro seems to consider typical in every age to be actually unbelievable. Since the historical background of her novels seems to be an element which the author especially values, one assumes that the atrocities are all documented rather than the product of one overactive imagination.
Love is present in every novel in which Saint-Germain appears, and so, in one way or another, is sex. The Count is inconvenienced by sexual impotency...