Complex sentence: With Liz gone, presumed dead by some memners of her family, Eva seemed to have all she ever wantedin her grasp, and with Liz's baby introduced to the family as an orphan, Eva seemed to be having the last laugh.
Split into simpler sentences: With Liz gone, presumed dead by some members of her family, Eva seemed to have all she ever wantedin her grasp. Eva even went as far as to bring Liz's baby back home, under the guise he was an abandoned baby, and Eva seemed to be having the last laugh.