1. Today calls for a celebration because a beautiful soul was born. Happy birthday, brother-in-law. May God fulfill all your wishes.
2. Happy birthday to the man who is less of a brother-in-law more like a brother-by-blood.
3. Thanks for being a cool brother-in-law. I couldn’t have asked for a more chill and welcoming in-law!
4. It’s your birthday dear brother-in-law. And that means drinks are on me! Cut loose and have some fun today, you earned it.
5. Thank you for being my friend first and later my brother in law. Partying without you ain’t fun at all. I hope you have a blast on your birthday. Love you, bro.
6. My sister adores you, my niece and nephew adore you and even my parents adore you. I’m no different, I adore you too. Happy birthday!
7. Happy birthday, brother-in-law. Unleash your inner Micheal Jackson tonight, and let’s dance the night away in celebration of this rocking day.
8. I wish you a very happy birthday and I hope that you have a great day today, it may be raining outside, but I can tell that the sun is shining inside you! Happy birthday!
9. Sweetest birthday to you, my extended brother. I wish you all the best in life. And I hope my sister will let you party with me tonight. Kidding! Stay a good man and take care of my sister.
10. I wish you many happy returns of the day, brother-in-law. Your ability to bring people together has brought our family closer.
11. Birthday of the special person brings in a lot of cheer.. Happy birthday, brother-in-law; let’s celebrate this ultimate event by getting together for drinks.
12. Just because we are getting older doesn’t mean we can’t have fun. Let’s party it up all night and have some fun on your birthday dear brother in law! Love ya so much.
13. Whether you are looking forward to the cake or beer more, I hope you get plenty of both on your birthday!
14. Thanks for being such a great addition to our family! I hope your birthday is fantastic and the year following it is even better. May God bless you forever and always.
15. Happy birthday to my brave brother in law, who has the courage and patience to live a life with my sister. I love you with all my heart for loving my sister.
16. Thank you for guiding me along the right path whenever I feel lost. Happy birthday, brother-in-law. I can’t wait to celebrate your big day with you.
17. Happy birthday to the most talented and intelligent human being. Have a blast!
18. I can see what a wonderful man you are by the size of my sister’s smile. And, boy, does she smile! Have a great one today!
19. A hard-working and passionate person like you deserves all the success in life. Happy birthday brother-in-law.
20. Let us forget this in-law nonsense; you are a brother to me. Thank you for all the support and fun. Happy birthday, bro!