For the month of September, the Duggar and Bates celebrate double birthdays of four out of the six. The Bates family has two additional double birthdays.
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| Brandon Keilen |
Up first is Mason Duggar and Ryker Bates! Both boys celebrate their birthdays on September 12th. They are five years apart.
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| Charlie Duggar |
Up second is Judson Bates and Brandon Keilen. They celebrate their birthdays on September 15th.
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| Harvey Clark |
Lastly is Harvey Clark and Charlie Duggar. They celebrate their birthdays on September 29th. They are two years apart. |
| Judson Bates |
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| Mason Duggar |
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| Ryker Bates |
