Complex sentence: She is best known for her role on the hit 1980s CBS television drama series "Dallas" as Katherine Wentworth, the scheming younger half-sister of Pamela Ewing (played by series star Victoria Principal) and Cliff Barnes (Ken Kercheval).
Split into simpler sentences: She is best known for her role on the hit 1980s CBStelevision drama series "Dallas" as Katherine Wentworth. Katherine was the scheming younger half-sister of Pamela Ewing (played by series star Victoria Principal) and Cliff Barnes (Ken Kercheval).