Maria Dolores Dieguez and Joseph Fiennes
03/10/2010 at 08:35 PM EST
Joseph Fiennes and his wife, Swiss model Maria Dolores Dieguez, welcomed their first child, a daughter born on Monday, his rep tells PEOPLE exclusively.
Fiennes, the brother of Ralph and the star of Shakespeare in Love
and ABC's FlashForward
, married the former Miss Switzerland contestant last summer in Tuscany.
the pregnancy last fall, saying they were "utterly thrilled." –Lisa Ingrassia