Hychddwn Hir ("Dark-Red Pig, the Tall" from the Welsh hwch, "Swine" and hir, "Long") appears in the fourth of the Four Branches of the Mabinogi and is one of the sons of Gwydion and Gilfaethwy, brothers who were transformed into pigs as punishment for rape.
Hychddwn Hir ("Dark-Red Pig") originates from Welsh words "hwch" (swine) and "hir" (long), appearing in the Mabinogi's fourth branch as a son of Gwydion and Gilfaethwy, who were punished by transformation into pigs.