Complex sentence: It is said he was born to a she-wolf at the dawn of the stars, and battled giants and monsters for a place for his kin in Alagaësia, and how he took Kilf, the goddess of rivers and seas, as his mate.
Split into simpler sentences: It is said he was born to a she-wolf at the dawn of the stars, and battled giants and monsters for a place for his kin in Alagaësia. He took Kilf, the goddess of rivers and seas, as his mate.