Complex sentence: Niels (-- 25 June 1134) was King of Denmark from 1104 to 1134, following his brother Eric Evergood, and is presumed to have been the youngest son of king Sweyn II Estridson.
Split into simpler sentences: Niels (-- 25 June 1134) was King of Denmark from 1104 to 1134, following his brother Eric Evergood. He is presumed to have been the youngest son of king Sweyn II Estridson.