What is the name of the romance novel where the heroes name is Justin or Jason and Loretta

[TRUALI]

What is the name of the romance novel where the heroes name is Justin
or Jason and Loretta not s. I think she came from the islands to meet
her guardian but met the son instead because the father died. They
fell in love got married but Justin's ex was jealous and so was this
artist that was in love with Loretta. so they tried to set her up. The
artist wanted to paint Loretta naked but she refuse. He painted her
naked without her knowledge and put it up for sale where all the ton
was in attendee. Justine saw the painting and went into a rage because
he thought had betrayed him so he went after her in the room but
people were holding him back so Loretta could escape. Justin came home
were they took Loretta and started strangling her in front of his
mistress and his mother. his mother crying for him to stop and the
mistress was crying and told him that she was innocent and that it was
a set up. When he finale stop strangling her he began to moan and
holding her stomach and Justin mother said she is losing the baby. She
lost the baby and near the artist kidnap her and Justin had to rescue
her. Thats all I remember. I cant remember the name of the book.