Here is the full list of all 35 Yes, Your Grace achievements.
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.
Refuse all Radovians.
Say Goodbye to Lorsulia.
Run out of gold.
Give Aurelea a gift.
Win battle against Radovia.
Run out of supplies.
Confront Ivo.
Find all evidence and clues for Royal Trial.
Audry takes the blame during the Royal Trial.
Unlock Hunter.
Help Stefan.
Unlock Witch.
Buy a rooster for Cedani.
Get through the wedding night.
Buy all upgrades for wedding.
Practice sword fighting with Asalia for the first time.
Pick a nickname for Cedani.
Invest in Tavern business.
Tell Lorsulia she will be fine, instead of "I Love You".
Pet Dusty three times.
Turn the Tavern into a... Public house.
Buy all gemstones from fortune teller.
Sell all paintings from the castle.
Help Lord Etton with his Dust trade.
Buy all upgrades for Radovian Battle.
Make Asalia marry Varid.
Help all Radovians.
Make Asalia marry Varid, let Aurelea die, kill the deserter, kill Lord Jovan, kill Beyran, kill Radovian survivors.
Hit zero villager contentment.