No gift could ever compare to the one you have given me: family. Thank you for being an incredible wife, a marvelous mom, and a fantastic friend to me. Happy birthday!
After I met you I realized something: my wife must have learned her tenacity, strength, and charm from her older sister! Thank you for being a spectacular sister to both of us.
Sister-in-Law, I want you to keep in mind that my brother inherited all his good traits from me. So you have me to thank for him being so awesome. Just keep that in mind when you are divvying up your birthday cake is all I am saying. Happy birthday!
When I was a kid, I always complained about the fact that I didn’t get to have a sister. But now that you are a part of my family, I have found the sister I always wanted in you. Thank you.
Wishing you the most magnificent, amazing, incredible, sensational, talked-about and brilliant B-Day! You deserve it!
I’m beyond excited that I married your brother because having a sister has always been a dream of mine. May your birthday be full of excitement but your life full of tranquility.
Have a lovely day with great memories my caring, and supportive sister-in-law.
Sister-in-Law, you always seem to be on top of everything, and you never seem to age. It’s like you are a magician. So, can you do me a huge favor and make my brother disappear? Thanks!
Sister-in-Law, you seem to have a special gift in life: attracting positive, amazing, and good-looking people. First my brother, and now me. You are certainly lucky. Although to be fair, you are all those things too! Happy birthday from one amazing person to another!
Over the years you have always touched me with your ability to make others laugh. Your addition to our family has enhanced our lives in so many delightful ways. Thank you for being such a positive and bright person, and may your birthday be spectacular.
I don’t need Facebook to remind me that it’s your birthday, Sister-in-Law. Who could ever forget such a talented, intelligent, and beautiful woman’s birthday? May your day be truly spectacular.
ank goodness my brother picked you to marry! I can’t even imagine not having such a charming, fabulous, gorgeous, and incredible person in my life. May your big day be everything you want it to be and more.
Wonderful bday to you my amazing sister, you are the greatest gift that life gave to me after marriage.
Stay kind and gentle like the wind drifting softly through the meadow.Wonderful birthday, sis-in-law!
A sister-in-law is a wonderful addition to any family. Not only you get an extra sister, but you also have someone to gossip with the latest trend and just about anything! Have a wonderful birthday, my sister-in-law!
May your special day be full of astounding discoveries, magical moments, and lovely surprises. You deserve all these things and more. Happy birthday to an incredible woman: my sister-in-law.
I was so worried about how you would impact my brother’s life that I was blind to how you would impact my own life. You have made such a deep and meaningful impression on both of us, and I am fortunate beyond belief to be related to such a remarkable woman.
Sister-in-Law, if you ever need someone to confide in, please turn to me. Especially if it concerns my brother, because I need all the dirt I can get on him! Just kidding. But know that I will always support and love you as if you were my biological sister.
Sister in laws are like muffins in a bad day. They make you all warm and fluffy inside, chasing the bad vibes away.
Sister-in-Law, there are several things that I want to take the time to thank you for: for always letting me confide in you like a real sister, for comforting me when life wasn’t going my way, and for loving me as much as you love my brother. I am eternally grateful to have you in my life.
Take lots of pictures and make incredible memories. Hope it is an amazing day for you, happy birthday.
Not only was I blessed with a great husband, but also with an awesome sister-in-law. Life gave me a wonderful package deal! Best birthday!
Happy birthday to the only woman brave enough to marry my brother! You are my hero. May your birthday delight you and your joy be immeasurable this year.
I adore you as a person, confide in you as a friend, and love you as a sister. You make my life better with your presence, and I hope that you always feel surrounded by peace and love.
You are like a sister to me and a friend rolled in one. We share so much about life and how we triumphed over it. I can’t imagine being out of reach with you for so long! Hope to see you soon, my sister-in-law! Wishing you a memorable and wonderful birthday!
Stay bright and pretty like the rays of the morning sun.
You’ve brought so many wonderful things into my life: sisterhood, friendship, and love are some of my favorites. I hope you have a lovely, lavish, and light-hearted birthday.
Even though we are related by law, it feels like we are related by blood. I love you so much, and I am deeply grateful that such an incredible person came into my life. Happy birthday Sister-in-Law!
A good husband is amazing of course, but a good sister-in-law is the icing on the cake. Thank you for being such a thoughtful and kind person. May your presents be covered in bows, your cake covered in icing, and your soul covered in love.
When my brother got married, it was such a welcome surprise to find out his wife had a sister. This way I got, not one, but two new sisters! Happy birthday to my superb sister-in-law!