Happy birthday to my dear sister-in-law. You’ve taught me a lot. I hope when I get married I will be as good a sister-in-law to someone else as you have been to me. Have a great one.
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Happy birthday sister-in-law. When you married into my family I bet you didn’t know what you were in for, did you? Well, here’s to your stamina… and courage! I’m glad you’re in the family.
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A sister-in-law is like a sister, only better. You have been there for me during some tough times. And I want you to know I appreciate it. Happy birthday. I’m glad you’re in my family.
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Wow. I can’t believe my brother found a woman our mom approved of. Here’s to you- a walking miracle. I hope you have a great birthday. You’ve certainly earned it.
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Sister-in-law, when my brother told me you were getting married I jumped for joy. I’ve always admired you. Now that you’re in the family, I’ve grown to love you. Happy birthday and many happy returns.
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It isn’t easy being my sister-in-law. But you’ve shown dedication, persistence and sincerity. I appreciate you and I’m so glad you’re in my life. My brother is one lucky guy. Happy birthday.
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Thank you for teaching me what it means to be family. You’ve been strong during some difficult times. But you stood by us all through it. I admire you, sister-in-law. Happy birthday.
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You’ve heard the phrase, ‘sister of choice?’ Well, you’re my sister-in-law of choice! You’ve been a confidant, a friend, and a mentor. Don’t think I haven’t noticed. Thank you. And happy birthday.
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Happy birthday sister-in-law. My brother hit the jackpot when he married you. I’m so glad you’re part of our lives.
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Happy birthday to my favorite sister-in-law. Well, ok, maybe you’re my only sister-in-law. But still, I think you get the point. Have a great one.
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Sister-in-law, you’re still in the family. I think you deserve a medal. Have a great birthday!
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Wow. Not just anyone can be in our family. But you’ve done it, and you’ve taught me a thing or two along the way. Thank you, sister-in-law, for being you. Happy birthday.
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Sister-in-law, you’re my best friend, my brother’s wife, and my sister. I cherish you. Happy birthday.
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When my brother told me you said yes, I said no. No way she wants to be in our crazy family. But you’ve done it with style and class. Well done. Happy birthday.