In Greek mythology Poliporthes (also known as Ptoliporthes or Ptoliporthus) is the son born to Odysseus and Penelope after his return from the Trojan War. He was so named ("destroyer of cities") because his father had sacked the city of Troy (cf., e.g., Od.8.3). Alternatively, he was born to Telemachus and Nausicaa.
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Poliporthes Wikipedia(Text) CC BY-SA