kdrama secret about birth

There are 2 dramas that come to my mind :

Kill Me Heal Me 

Healer 

I hope it will be helpful!

List can contain SPOILERS!
mostly family dramas (all from my list) & 95% with female mc birth secret:

The tale of two sister  (I like this one)
Sweet Home, Sweet Honey (really good)
Sunny Again Tomorrow  (too)
Golden Rainbow (too)
You are the best! Lee soon shin (hmm, average)
The Promise (must watch)
Women of The Sun  (for me, was good)
Unknown Women (must watch)
Twinkle Twinkle (must watch)
Victory For Tomorrow  (average)
TV Novel: Dal Soon's Spring (average)
Trot Lovers (good)
The King's Daughter, Soo Baek Hyang (good)
The Girl Who Sees Scents (must watch)
Sweet Enemy (really good)
Splendid Politics (good)
Come! Jang Bo-ri
Return of Happiness 
Queen Deokman (Seun Duk) - must watch
New Tales of Gisaeng (must watch)
My Only One (really good)
My Golden Life (for me, average)
My Daughter Geum Sa Wol (average, but a lot of story)
Moon Embracing the Sun (for me, average)
May Queen (really good)
Kimcheed Radish Cubes (good)
Ja Myung Go  (really good)
Ngao Kammathep (really good, especially with this theme)
My Princess (comedy, but good)
I Summon You, Gold! (really good)
Here Comes Love (really good)
Her Legend (average)
Graceful Family (must watch)
Golden Garden (good)
Flames of Desire (good)
Feast of the Gods (really good)
Dear Heaven  (must watch)
Blow Breeze (good)
You Are The Only One (average)
Be Strong Geum Soon (average)
Apgujeong Midnight Sun (really good)
A Hundred Year's Inheritance (really good)
A Bird That Doesn't Sing (really good)

Another one I recently watched is Mother of Mine. 

I second:

• East of Eden
• Qeon SeonDeok 
• New Tales of a gisaeng
• Come jang Bori is here
• My Golden life
• Kill Me Heal Me
• DEAR heaven

In addition:

• Scandal: Shocking and wrongful incident (must watch) 
• City Hunter (Must watch) 
• I Am Sorry I Love You (must watch) 
• Fashion 70
• Bad Guy
• May Queen
• Glass Slippers
• Golden Pouch
• My Country Princess
• Sky Castle
• Hateful But Once again
• My Healing Love
• Resurrection
• Golden bride
• Uncontrollably Fond (Disappointing) 
• What's wrong with Secretary Kim (Kind a little twist regarding ML identity) 

Historical:

• Tale of Nokdu
• Ballad of Seodong
• Maids
• Gu Family Book
• Jackpot (bad) 

More of identity secret:

• Healer
• Pinocchio 
• The Devil
• Wild chives and soy bean soup

Non Korean birth secret:

• Padiwaradda (Thailand) 
• Ashes of love (China wuxia) 
• Hundred million stars falling from the sky)(Japan)