Complex sentence: In the "Hyndluljóð" Heiðrún is mentioned in a humorous way when Hyndla addresses Freyja because the poem was composed around 12th century, and the poet was obviously not heathen, "The Poetic Edda", Henry A. Bellows, transl.
Split into simpler sentences: In the "Hyndluljóð" Heiðrún is mentioned when Hyndla addresses Freyja. Because the poem was composed around 12th century, and the poet was obviously not heathen, "The Poetic Edda", Henry A. Bellows, transl.