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Michelle Fenty gave birth early this morning to her first daughter, Aerin Alexandra Fenty, the Reliable Source reports. Hizzoner was in the delivery room.

She joins 8-year-old brothers Andrew and Matthew. Apparently the first fam opted for a less traditional naming strategy this time around.

UPDATE, 12:40 P.M.: Official statement: “Today at 6:08am, Mayor Adrian M. Fenty and Mrs. Michelle Fenty proudly welcomed their new baby girl, Aerin Alexandra Fenty, the latest addition to the family. At 9 pounds, 1 ounce and 21 inches, she is their third child, joining 8-year-old twin sons Matthew and Andrew. Mrs. Fenty and baby Aerin are in good health and spirits.”