My sister has always been the caring and thoughtful one. I’m so glad that she found a man who treats her so well. Happy birthday to the brother-in-law our family hoped for.

It’s your birthday, so feel free to party it up! And if my sister gives you flack for having fun on your birthday, just let me know.

I never had a brother, but with such a great brother-in-law, who needs a biological brother! Hope your birthday is as awesome as you are.

Sometimes everyone needs to be reminded how great they are and a birthday is the perfect time to do it. So, happy birthday brother-in-law, keep being awesome!

Brother-in-laws are a mixed bag. You never know what you are going to get. That’s why I’m so happy we ended up with you! Happy birthday!

I hope that life treats you as well as you deserve, always offering you love, success and happiness.

I hope that you can celebrate this amazing day with much joy, with those closest to you and who you love the most!

You may be my only brother-in-law, but even if I had others, you’d still be my favorite. Happy birthday bro in law!

When you and my sister were dating I always hoped you would become my brother-in-law. And now you are! Welcome to the family brother, I hope you have a really good birthday.

Thanks for always making the family get-togethers so much more fun. I couldn’t be happier having you as a brother-in-law. Happy birthday man, I hope it’s a good one!

If you need any tips on dealing with my sister, just ask. I know she can be a pain. But in the meantime, enjoy your birthday!

Just because we are getting older doesn’t mean we can’t have fun. Let’s party it up and have some fun on your birthday!

Everyone says that in-laws can be a pain. But I’ve never found that to be true! I’m just so glad that I married into such an amazing family!

Wishing you a very happy birthday! You’re my favorite brother-in-law and one of my favorite people in the world.

Happy birthday! I hope you have an amazing day and I just wanted to take this opportunity to say that I feel honored that I get to be a part of your family.

Here’s hoping your birthday is filled with a bunch of good presents, a load of good food, and lots of good company!

Who has two thumbs and a birthday today? Probably a lot of people. But the best of them is my brother-in-law! Happy birthday!

Another year down and many more to go, I hope they are all filled with happiness. Happy birthday!

My sister has been so much happier and pleasant since she met you. From the whole family, thank you! I hope you have a great birthday, worthy of the great guy you are.

Your family welcomed me in with open arms and I’ll never forget that. I’ll work hard to make sure your sister has the life she deserves. Happy birthday brother-in-law and thanks again for welcoming me into your family.

It’s been a long time since we could hang out, but I just wanted to reach out on your birthday and let you know, you rock. Happy birthday!

It’s been great getting to know you over the years. You’ve been a great brother-in-law. So here’s wishing you the best of birthdays!

Thanks for always being there for both of us. You are the best brother-in-law a couple could ask for! We hope you have a ridiculously awesome birthday!

Happy birthday to a great friend and an even better brother-in-law!

I just want to say thank you for being a great brother to my wife all those years when you were growing up together. She wouldn’t be the amazing woman she is today if it wasn’t for you.

It’s great to have such an amazing guy as family. I’m so glad you are my brother-in-law. Happy birthday!

My husband always said he had a great brother and he was definitely right! It’s wonderful having you as a brother-in-law, I hope you have a fantastic birthday!

I know I don’t say this enough, but since it’s your birthday I figure it’s a good time as any. You’ve made such a great addition to this family, you’ve made my sister happy, and our family is all the better for you being in it.

You were always super welcoming to me even before I became your brother-in-law. I really appreciate that. Happy birthday and thanks for making me feel like part of the family.

I’m proud to call you my brother-in-law and even more proud to call you a friend. Happy birthday, I hope it’s a wonderful one.