Here is the full list of all 35 Yes, Your Grace achievements.
Sell all paintings from the castle.
Make Asalia marry Varid.
Refuse all Radovians.
Make Asalia marry Varid, let Aurelea die, kill the deserter, kill Lord Jovan, kill Beyran, kill Radovian survivors.
Run out of gold.
Run out of supplies.
Hit zero villager contentment.
Complete the game.
Don't lose Aurelea or Cedani.
Bear saved Cedani.
Buy all upgrades for the Siege.
Flawlessly complete the Dark Ritual.
Let Asalia run away with Maya.
Help all Radovians.
Say Goodbye to Lorsulia.
Buy all gemstones from fortune teller.
Win battle against Radovia.
Buy all upgrades for Radovian Battle.
Confront Ivo.
Find all evidence and clues for Royal Trial.
Audry takes the blame during the Royal Trial.
Unlock Hunter.
Give Aurelea a gift.
Help Stefan.
Turn the Tavern into a... Public house.
Unlock Witch.
Buy a rooster for Cedani.
Help Lord Etton with his Dust trade.
Tell Lorsulia she will be fine, instead of "I Love You".
Buy all upgrades for wedding.
Pet Dusty three times.
Get through the wedding night.
Practice sword fighting with Asalia for the first time.
Invest in Tavern business.
Pick a nickname for Cedani.