Complex sentence: Even Leopold's brother and successor Henry Jasomirgott was enfeoffed with Bavaria in 1141, until in 1156 the Hohenstaufen Emperor Frederick Barbarossa approached a settlement with the Welfs.
Split into simpler sentences: Even Leopold's brother and successor Henry Jasomirgott was enfeoffed with Bavaria in 1141. In 1156 the Hohenstaufen Emperor Frederick Barbarossa approached a settlement with the Welfs.