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