entity_id,source_id,evidence_type,source_note
ENT_WEL_PWYLL,SRC_MABINOGION,direct attestation,First Branch (Pwyll Pendefig Dyfed): the narrative is named after him; his exchange with Arawn establishes the Otherworld as a parallel realm with political structure; he earns the title Pen Annwn; his marriage to Rhiannon and the birth of Pryderi constitute the branch's narrative arc; primary attestation