Complex sentence: He was to serve 14 years in the California State Assembly, from 1963 through 1977, representing a district that included the areas of Hollywood and Wilshire and was renumbered the 46th Assembly District after redistricting.
Split into simpler sentences: He was to serve 14 years in the California State Assembly, from 1963 through 1977. The he represented included the areas of Hollywood and Wilshire; it was renumbered the 46th Assembly District after redistricting.