Complex sentence: McKidd married Jane Parker in 1999 and has two children, Joseph and Iona; the family resides in Los Angeles during filming of "Grey's Anatomy", but try to go back to Scotland or the UK at least twice a year.
Split into simpler sentences: McKidd married Jane Parker in 1999, and they have two children, Joseph and Iona. The family resides in Los Angeles during filming of "Grey's Anatomy", but try to go back to Scotland or the UK at least twice a year.