Bladud, mythical founder of Bath, [381].
Blathnat, daughter of Mider, [55], [179].
Bliant, Castle, [358].
Blodeuwedd, wife of Lleu Llaw Gyffes, [265], [266], [268].
Blood-fines among the Celts, [30];
blood-fine paid for Cian, [94]-97.
Boann, wife of the Dagda, [55], [139], [141].
Boar, wild, of Bengulben, [221];
the Boar Trwyth, [347]-353.
Bodb the Red, son of the Dagda, [60], [133], [140], [141]-145, [157], [205], [208];