In " Lebor Gabála Érenn " , Badb , Macha and Morrígan make up the Morrígna trinity and are named as daughters of the farming goddess Ernmas .
Head entity: ernmas Q746098 26
Tail entity: the morrígna Q828550 14 15
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P25