l-ʔaxu w-ʔuxt-uh -ʕaawanu maʕ ʔabuu-hum [ laakin ʔabuu-hum maa -ʕaawan maʕ-hum ].
the-brother.NOM and-sister-his.NOM -helped with father-their.GEN  but father-their.ACC  -helped with-them.GEN
The brother and his sister helped their father [ but their father did not help them ].