Ever since she was a small child, Rose-Marie has exhibited remarkable gifts. Her power and ability to see and speak with the dead made it obvious that she should be a mambo and she achieved such very early in her life. This swift advancement due to her talent struck again when the Haitian Setites saw her potential and gave her the Embrace so that they might benefit from them. However, through all of this, little attention was paid to the girl and the damage her abilities have done to her. When she was barely adjusted to her new situation at home, Legba returned and ordered her sent to New Orleans to reinforce those loyal to him within the city. Once again, without any thought to the effect on her, she was pushed into a new set of circumstances.
Rose-Marie was little prepared for the vehemence with which Marie and her childe hated her, nor did she fully grasp the politics of her arrival. Paris didn't spend much time explaining them, either, being more interested in her potential to match the Samedi's intelligence network among the dead. She worked, to the best of her ability, to provide them with what they wanted, but psychologically, she was falling apart. When the war between the Sabbat and Camarilla heated up, she found herself caught up in violence the likes of which she had never before imagined. Almost destroyed when a Brujah set fire to her haven, she faced an even greater horror than that which had been done to her before: the possibility of death.
Despite her contact with the dead, Rose-Marie grew terrified of it. The uncertain status of her soul given what had been done to her and the dismal state which most of the dead found themselves in as well as the possibility that she might, as many of the dead suspected might happen to those who did not linger, cease to exist entirely all figured in to her terror. Desperate to find answers and comfort and given a short reprieve as a newly returned Legba settled in and concentrated on political matters, she approached the Samedi. Since then, they have been guiding her in her understanding of the meaning of death and the state of her vampiric soul. She's been learning the lessons well, but is still having a difficult time letting go of her humanity.
Meanwhile, Legba has demanded that she continue acting as his intelligence agent and she has done her best to carve a small group of ghostly followers out of the dead bound to the Samedi. She has also begun to attend again to her voodoo duties, encouraged in such by Madame Brigit and her sire. This has made Marie very wary of her motives but the others have not noticed anything odd with the usually unassuming Rose-Marie.
Rose-Marie is a frail thing, emotionally, and prone to do as she is told by anyone of a stronger personality. Her fear and confusion make her very easy to prey upon or manipulate. She does, however, find comfort in speaking with the dead (and those close to them) and is more at ease and confident of herself in their presence. Thus, she tends to spend most of her time by herself, keeping their company.
Rose-Marie is cowed by the older Serpents, particularly Legba, and is generally distant to the youngers ones as well. Despite the bonds of Viniculum, she doesn't feel as if she fits into the pack, though she does feel loyal to them. It is as if she were the black sheep of the family, spurned and excluded. While the hatred of Marie has cooled quite a bit, she is still skittish around the woman, unsure of where she stands with her (particularly since she didn't fully grasp the reasons for the emnity in the first place).
She pays very little attention to the other kindred at all, with the exception of the Samedi. She is very close to Madame Brigit and it is only to her that she every truly opens up. She is also fond of the Baron, seeing him as a sort of father figure, and feels comforted while in the presence of hers surrogate family. She's less enamoured with the kiasyd, whom she is jealous of for the attention he provokes from Brigit.
For the last several decades, she has breached the Masquerade and taken in the confidence of mortal houngan Doctor Tom. She is unaware of his current agenda and his motives in continuing to see her, too blinded by her own need for companionship and guidance.