I never knew my great-grandparents. They were all long gone by the time I came around in 1966. In fact, I only ever met one relative in that generation--my grandmother's aunt.

So stories like this one fascinate me.

Imagine being in the presence of five generations of one family.

That's what happened when Louisville's Lena Hall celebrated her 105th birthday Tuesday with her 1-year-old great-great-great-granddaughter.

Isn't that wild? Her grandchild is a grandparent.

Check out the video from ABC News:

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