He married her only because she bore his child. She divorced him and took the child. He panicked 

【Genius Baby: Mommy Refused You】
The CEO mistakenly thought that the young woman was pregnant with half-breed and abandoned her. Three years later, the girl received her status as the heir to the richest man and returned in a dominant fashion. The CEO sends his wife to be cremated!
Launched by Sunshine. If you like it, please click subscribe~💖
Like and follow the entire series
Recommended videos:
He treats her like a lover, seeks revenge, yet didn't expect to love her so much he couldn't resist.
• He treats her like a l...
The girl fled her arranged marriage, but a chance night with the CEO led to sextuplet sons.
• The girl fled her arra...
She used advanced medical techniques to restore her appearance, win the prince's heart again.
• She used advanced medi...
The groom ran away, and the girl married a beggar. Unexpectedly, the beggar was the richest person.
• The groom ran away, an...