No they are not. The killing of her father is detailed. That she was a rising star in the family is detailed. It doesn't even say she needs a man. It simply says she is cursed to fall in love and that she reverts to rat form in that person's presence.
Which is
exactly the same as saying she needs a man. Unlike all of the other wererats, she has been cursed to be able to fall in love.
Criminy, do you need a giant neon sign here?
Which is clearly important. But it isn't the only thing going on with this character. I have pointed to numerous examples of other things
when it's been shown again and again that isn't what the characters are all about at all.
No, it hasn't been shown, and you haven't pointed out much of anything. We've been
told that she's manipulative but the only thing we've been shown is that she is desperate for love and is willing to kill her sister's lovers/boytoys out of jealous spite (since her sister has
not been cursed to fall in love, I will assume that she doesn't truly love the men with whom she has relationships). The Gazetteer outright states
and (re duBois)
Hell, her "monophobia" (should be autophobia) isn't even an actual curse, just a result of her curse--it's something she could get over if actual therapists who weren't connected to the Nightmare Lands existed in-setting.
Show me how she manipulates and dominates the aristocracy and peasantry. The closest
I can find is she kills off any relative (save her sister) who threatens her position.
And guess what? Even if there's some trove of canonical backstory about Jacqueline that I don't know about it that shows her as a three-dimensional woman, there's still
all the other female Darklords who are desperate for a man, or who hate all men, or who love hurting women who are prettier than they are.