Complex sentence: He then records that Grimketel replaced Stigand at Elmham when the latter was deposed in 1043, and was then in turn deposed when Stigand was restored in 1044.
Split into simpler sentences: He then records that Grimketel replaced Stigand at Elmham when the latter was deposed in 1043. Grimketel was then in turn deposed when Stigand was restored in 1044.