Neil Patrick Harris Reveals Whose Sperm Was Used For Twins With David Burtka

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After almost seven years together, Harris, 37, and Burtka, 35, began the surrogacy process and were "thrilled" to discover they were having fraternal twins.

"We inserted two eggs, one with my sperm, one with David's sperm and they both took," says Harris. Holding their children in the delivery room shortly after their birth was "just absolute joy," says Burtka. "We had two babies that we made. With help."

Read the whole story at people.com