They have two daughters: Olwyn Harper (born on September 23, 2006) and Rowan (born c. March 2010).
== Osebno življenje ==Sarah Clarke je svojega moža Xanderja Berkeleyja spoznala na snemanju serije "24" (Xander Berkeley igra Georga Mansona) in poročila sta se septembra 2002, po letu prijateljevanja.