An Accommodating Husband — Fenella Miller

An Accommodating Husband is the fourth book in The Duke's Alliance series. This is Lady Giselle's story.
Lady Giselle Sheldon and her cousin, Miss Elizabeth Freemantle, are given permission to visit Bath if they agree to take Lord Rushton's daughters with them. The two girls have been running wild and both Beau and Rushton believe a change of scene will be of benefit to them
Beau, The Duke of Silchester, soon comes to regret his decision to allow his youngest sister and cousin to leave home supervised only by his man of affairs..
Lord Rushton, a close friend of Beau's, is still mourning the loss of his beloved wife and has no intention of ever marrying again. When Beth's antics cause Giselle to compromise herself, Rushton steps in - as a gentleman must.
Can a union without love make either of them happy?