The Widower's Baby (Amish Weddings #2)
Samantha Bayarr

When Eli's wife dies during childbirth, she makes him promise to marry Hannah with her last breath, so that her child will have a mother.
Mourning his wife's death, marriage is the last thing on Eli's mind--especially a marriage of convenience. That is, until a complete stranger comes along and threatens everything he holds dear to him.