I hope this letter finds you both well. I want to sincerely apologize for not being able to attend your wedding. Unfortunately, due to unforeseen circumstances, I was unable to make it. [You can briefly mention the reason, e.g., a sudden work commitment or a family emergency.]
I feel truly disappointed to have missed such an important and joyful occasion in your lives. I was really looking forward to celebrating this special day with you and sharing in your happiness.
Although I couldn’t be there in person, I want you to know that I am very happy for you both and wish you a lifetime of love and happiness together.
In the near future, I hope to meet you both and celebrate your marriage properly, perhaps by taking you out for a special dinner or hosting a small get-together in your honor.
Once again, congratulations, and I look forward to seeing you soon.
**Yours sincerely,**
[Your Full Name]
