Complex sentence: Richeza planned to made Brauweiler as the Ezzonen family crypt, so in 1051 she placed there the remains of her sister Adelaide, Abbess of Nivelles, and in 1054 transferred the remains of her father from Augsburg to be buried next to her sister.
Split into simpler sentences: Richeza planned to make Brauweiler the Ezzonen family crypt, in 1051 interring the remains of her sister Adelaide, Abbess of Nivelles. In 1054 she transferred the remains of her father from Augsburg to be buried next to her sister.