In my heart, you’ve always been my sister. Marrying my sibling just made it official! Happy birthday to you!
You’re so much more than just a sister-in-law to me! I hope you have the happiest birthday, my true sister!
In you, not only did I gain a beautiful sister-in-law, but also a forever friend and true sister. Happy...
In you, I found the most fabulous sister and greatest friend possible. Happy birthday, my dear sister-in-law!
Happy birthday, sister-in-law! I’m sending my very best wishes your way on your super special day today. May...
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