Complex sentence: She is known for her longstanding feud with her enemy, Sami Brady, her relationships with EJ DiMera and Brady Black, and the 2009 Baby Switch storyline which featured Nicole having a miscarriage; lying to her husband; and stealing Sami's baby, Sydney.
Split into simpler sentences: She is known for her longstanding feud with her enemy, Sami Brady. A storyline in 2009 called "The Baby Switch" featured Nicole having a miscarriage; lying to her husband; and stealing Sami's baby, Sydney.