41. I hope your birthday is as amazing as you are dear brother-in-law!
42. The love you have for our family is truly overwhelming. Thank you for always being there for all of us. Wish you many happy returns of the day, brother-in-law.
43. It makes me happy to see how much my sister and you care about each other. You are the best brother-in-law I could have asked for.
44. Happy birthday to the best brother-in-law ever! Our family get-together has gotten much more entertaining since you joined the family. Thank you for existing.
45. To my brother-in-law, I wish all the best for your birthday.
46. I hope your birthday is as happy and fun as you are my dear brother-in-law! You are a great guy and I hope you have a wonderful birthday! May Lord bless you.
47. You deserve everything you want and more for your birthday. You might not get it, but you deserve it!
48. I hope your birthday is as happy and fun as you are my dear brother-in-law! You are a great guy and I hope you have a wonderful birthday! May Lord bless you.
49. It’s great to have such an amazing guy as family. I’m so glad you are my brother-in-law. Happy birthday!
50. Have a great birthday, brother-in-law. You hold our family together with your love and empathy.
51. 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!
52. I’m really happy that we were able to become friends. I know in-law relationships can be a bit rocky. So here’s to new brothers! Happy birthday.
53. Happy birthday brother-in-law! I never had a brother growing up, so it’s great to finally have one.
54. Happy birthday, brother-in-law. You are so nice and kind that you make all of us look bad in comparison. Just kidding! Have a fabulous day.
55. Happy birthday to the ultimate gamer. May you win every game you play!
56. 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!
57. Ain’t no brother-in-law like the one I’ve got! You are such a great brother-in-law that even if you were a twin, I would still want you to be my in-law. Happy birthday.
58. Happy birthday to the kiddo of the household. Don’t ever lose your innocence and zest for life. Enjoy your day, brother-in-law.
59. Happy birthday to the most amazing brother-in-law ever, who has quickly become a true part of our family. Thank you for being such a sweet, caring and giving person. We couldn’t ask for a better brother-in-law!
60. Happy Birthday to you, brother in law. I wish you to count your life by smiles, not tears, and your age by friends, not years!