Happy birthday, my dude! What a great man you are, and undoubtedly the best brother-in-law there is.

A very happy birthday to you brother-in-law. I hope this birthday marks the beginning of the best time of your life.

Whether you are looking forward to the cake or beer more, I hope you get plenty of both on your birthday!

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.

I really appreciate how you have always taken care of my wife and always had her best interests at heart. I respect that. Happy birthday to a great brother and brother-in-law.

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

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!

I never know what to write in cards, I guess I’ll just wish you happy birthday and let you know that you are a wonderful brother-in-law.

Sometimes a brother-in-law can be just as good as a brother by birth. Thanks for being a great brother. I hope your birthday is amazing!

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.

I’m not great at birthday wishes, but I just want to say you are a pretty amazing brother-in-law. I hope you have a great birthday.

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

I have a great brother-in-law and everyone knows. Because I tell them! And I figure I should tell you as well. You’re a great guy and I hope you have a wonderful birthday!

Cheers to you brother-in-law! You’ve made it another year. Just remember, you’re not another year older you are another year better!

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!

We’re definitely different but I’m glad we could become good friends. I’m happy to have such a great brother-in-law. I hope your birthday is as fantastic as you!

Your sister always talks about how great a brother you are and I’m inclined to agree. I hope your birthday is filled with fun, laughter, and good food!

You deserve everything you want and more for your birthday. You might not get it, but you deserve it!

Happy birthday to the best brother-in-law! Our family get-togethers have gotten a lot more entertaining since you joined the family!

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.

Happy birthday to my brother from another mother. Hope it’s a great one!

Your birthday is the perfect time to celebrate all you’ve accomplished this year! Happy birthday brother-in-law, I hope this next year is filled with even more accomplishments!

I hope your birthday is filled with all the things you enjoy and the year following is filled with all the luck you can handle!

I wish you a happy birthday and I hope you can achieve all of your goals in life! May joy and love fill each and every day of your life.

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.

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.

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!

You have shown so much respect and love to my parents, as if they were your own.

A lot of times in-laws don’t get along. I’m sure glad we are the exception! Happy birthday bro, I hope you have a good one!

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