Christmas At Blackhaven Castle by Sophia James

In three years, six governesses had been harried from Blackhaven Castle by the unruly sons of the reclusive Lord Trey Stanford. Lady Seraphina Moreton, the newest governess, had heard all the rumours, but financial circumstances had taught her that beggars could not be choosers

Governess To Christmas Bride by Annie Burrows

Miss Miller lives by a set of strict rules and imposes them on her charges, too. Until the day Lord Chepstow turns up. She knows he's a rake and that flirting comes naturally to him, but he's flirting with her! Would it be so very bad to relax her rigid rules, just this once, and let him kiss her?

Duchess By Christmas by Marguerite Kaye

Gabriel, Duke of Blairmore, needs to produce an heir. Approaching the task with scientific rigour, he has narrowed his choice of potential brides to three young ladies of impeccable lineage. When Regan Stuart a childhood friend fallen on hard times reluctantly agrees to play the governess, Gabriel realises the sparks between them makes it impossible to think of anyone more suitable to wed.