l-ʔaxu w-ʔuxt-uh -ʕaawanu maʕ ʔabuu-hum { sawijjeh / b-ʃakel munfaṣil }.
the-brother.NOM and-sister-his.NOM -helped with father-their.GEN  together.ACC  in-manner.GEN separate.GEN 
The brother and his sister helped their father { together / separately }.