An Uncommon Duke

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.
Confessions of a Regency duke… 

When the Duke of Winterbourne proposed to Olivia, she felt like the luckiest girl alive. Their happy marriage was the envy of the ton. But all that changed when Gabriel wasn't there the night Olivia gave birth to their son… 

Gabriel's life is rooted in darkness, and he's learned the hard way not to trust anyone with the truth. Yet, now his wife wants to try for another child…and Gabriel must bare his secrets in order to bring Olivia back into his bed, and by his side, forever!