What the source says
Pedro Casares Hontañón appears in the 2023 elected-members workbook.
The source associates this elected result with Cantabria and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).
Pedro Casares Hontañón is named as elected for Cantabria in Spain's official 2023 Congress elected-result workbook under PSOE. This is a historical result record, not a current-tenure claim.
The source associates this elected result with Cantabria and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).