Original: Concubines have limited rights of support from the man , and their offspring are publicly acknowledged as the man 's children , albeit usually of lower status than children born by the official wife or wives ; these legal rights distinguish a concubine from a mistress .
Simplified: Concubines have only limited rights of support from the man , and their children have lower status than children born by the official wife or wives ; these legal rights distinguish a concubine from a mistress .