As the wife of Odin, Frigg is one of the foremost goddesses of Norse mythology. She is the patron of marriage and motherhood, and the goddess of love and fertility. In that aspect she shows many similarities with Freya, of whom she possibly is a different form.
Frigg
She has a reputation of knowing every person's destiny, but never unveils it. As the mother of Balder, she tried to prevent his death by extracting oaths from every object in nature, but forgot the mistletoe. And by a fig made from mistletoe Balder died. Her hall in Asgard is Fensalir ("water halls"). Frigg's messenger is Gna, who rides through the sky on the horse Hofvarpnir. In some myths she was rumored to have had love affairs with Odin's brothers Ve and Vili.