Birthdays are always special, but birthday wishes for a son-in-law need to be a little more special, as he is family outside the family. The best birthday wishes for a son-in-law need to emphasize how important he is to the family, and how much he is appreciated. So, let's find one you like from the following.
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1
We can't thank you enough for loving our daughter so much.
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2
We hope to make you feel as loved as you make us feel.
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3
As your birthday comes, we realize how great a blessing you are.
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4
The good thing about your birthday is that it doesn't make us feel old.
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5
Your birthday is no less special than you are to us.
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6
Happy birthday to my favorite rockstar of all time.
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7
Your being our son-in-law is the greatest gift we ever had.
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8
To us, you are more of a son than a son-in-law.
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9
Having you as a son-in-law made us the happiest family.
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10
Your respectful behavior makes us consider you like our own son.
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11
It's a matter of pride for us to have you as our son-in-law.
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12
You are great in both your husband and son-in-law roles.
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13
We are so lucky to have such a unique son-in-law.
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14
We hope this birthday brings you limitless prosperity.
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15
Your beautiful heart made us love you more than a son-in-law.
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16
We wish the sweetest birthday for our kindest son-in-law.
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17
No son-in-law's company is as fun as yours, birthday boy.
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18
The season around your birthday is my favorite season of the year.
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19
It feels great to have a calm conversation with you every time.
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20
I wish the most incredible birthday ever for my son-in-law.
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21
No birthday present can surpass the gift of having you as our son-in-law.
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22
As you age, your achievements grow bigger.
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23
On your birthday, be a good son-in-law and start pleasing us!
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24
May you enjoy all the best things until your next birthday.
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25
Don't forget that you are responsible for our daughter's happiness.
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26
You are so real as a son-in-law that I am always impressed.
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27
May nothing get in your way to success and prosperity.
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28
I hope your birthday is the start of a great new year.
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29
Dear son-in-law, I wish for a birthday celebration as worthwhile as you.
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30
May you continue to remain charming and loving forever.
As the husband of your daughter, the importance of a son-in-law to your family's well-being is huge. So, if you are lucky enough to have a good one, don't hesitate to shower him with cheerful happy birthday son-in-law messages. If you are struggling for the right words, you can always refer to our collection of the best birthday wishes for a son-in-law.