Birthday Sister

A female who shares the same birthday as you. You were born on the same day of the same year. You are not true siblings, but you share a significant bond
See Also Birthday Brother

Anna: Happy Birthday Robyn.
Robyn: Happy Birthday to you too, Birthday Sister

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Birthday Brother

A male who shares the same birthday as you. You were born on the same day of the same year. Even though you are not true brothers, this is a significantly close bond
See also Birthday Sister

Brady: Happy Birthday James.
James: Happy Birthday to you too, Birthday Brother.

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