Here is the full list of all 35 Yes, Your Grace achievements.
Win battle against Radovia.
Buy all upgrades for Radovian Battle.
Unlock Witch.
Unlock Hunter.
Get through the wedding night.
Buy all upgrades for wedding.
Practice sword fighting with Asalia for the first time.
Pet Dusty three times.
Pick a nickname for Cedani.
Invest in Tavern business.
Tell Lorsulia she will be fine, instead of "I Love You".
Buy a rooster for Cedani.
Help Stefan.
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.
Find all evidence and clues for Royal Trial.
Audry takes the blame during the Royal Trial.
Confront Ivo.
Give Aurelea a gift.
Let Asalia run away with Maya.
Make Asalia marry Varid.
Help all Radovians.
Refuse all Radovians.
Say Goodbye to Lorsulia.
Buy all upgrades for the Siege.
Flawlessly complete the Dark Ritual.
Bear saved Cedani.
Don't lose Aurelea or Cedani.
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.