Complex sentence: Heracles and Samson both slew a lion bare-handed (Nemean lion feat), and they were both betrayed by a woman (Heracles by Deianira, Samson by Delilah), who led them to their respective dooms.
Split into simpler sentences: Heracles and Samson both slew a lion bare-handed (Nemean lion feat). They were both betrayed by a woman (Heracles by Deianira, Samson by Delilah), who led them to their respective dooms.