What the source says
Luis Alfonso Rey De Las Heras appears in the 2023 elected-members workbook.
The source associates this elected result with Soria and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).
Luis Alfonso Rey De Las Heras is named as elected for Soria 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 Soria and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).