Thank You For Thank You For Wedding Gift Heirloom
Dear {Recipient},
Thank you so much for the {beautiful/lovely} {heirloom}! {Spouse} and I were very touched that you decided to pass down this family heirloom to us. We know it means a lot to you, so we'll be sure to take good care of it.
It was great seeing you at the wedding. Thank you for sharing our special day with us.
Gratefully yours,
{Your Name} and {Spouse}