Favorite concubines frequently received land grants and their offspring were appointed as high officials of the royal court, and in a few cases captured kingdoms by deposing less scandalous and more legitimate heirs to the throne.
The passage describes a system where favored concubines wielded considerable influence in the royal court, securing land grants for themselves and their offspring. These individuals could also exert power by influencing succession to the throne, leading to the deposition of less favorable heirs.