Clay Aiken is going to be a father, PEOPLE has confirmed.

“The story is true,” a rep for producer David Foster, the pregnant woman’s brother, told PEOPLE Wednesday, of the TMZ.com report that Aiken, 29, impregnated David’s sister, music producer Jaymes Foster. “It is true Clay is the father. She was artificially inseminated by Clay. She’s due in August.”

The rep added of Aiken and Foster, “They have been friends ever since American Idol, when they worked together.”

Foster also executive produced Aiken’s album A Thousand Different Ways.

Aiken’s reps have not yet commented.-people